Cooperative multi-UAV search requires jointly optimizing wide-area coverage,rapid target discovery,and endurance under sensing and motion constraints.Resolving this coupling enables scalable coordination with high dat...Cooperative multi-UAV search requires jointly optimizing wide-area coverage,rapid target discovery,and endurance under sensing and motion constraints.Resolving this coupling enables scalable coordination with high data efficiency and mission reliability.We formulate this problem as a discounted Markov decision process on an occupancy grid with a cellwise Bayesian belief update,yielding a Markov state that couples agent poses with a probabilistic target field.On this belief–MDP we introduce a segment-conditioned latent-intent framework,in which a discrete intent head selects a latent skill every K steps and an intra-segment GRU policy generates per-step control conditioned on the fixed intent;both components are trained end-to-end with proximal updates under a centralized critic.On the 50×50 grid,coverage and discovery convergence times are reduced by up to 48%and 40%relative to a flat actor-critic benchmark,and the aggregated convergence metric improves by about 12%compared with a stateof-the-art hierarchical method.Qualitative analyses further reveal stable spatial sectorization,low path overlap,and fuel-aware patrolling,indicating that segment-conditioned latent intents provide an effective and scalable mechanism for coordinated multi-UAV search.展开更多
Educational cooperation,as the cornerstone and vanguard of people-to-people exchanges and practical cooperation between China and Africa,holds irreplaceable strategic significance for enhancing the quality of Africa&#...Educational cooperation,as the cornerstone and vanguard of people-to-people exchanges and practical cooperation between China and Africa,holds irreplaceable strategic significance for enhancing the quality of Africa's human capital and accelerating its structural transformation and modernization process.This paper employs“demand–supply–adaptation”as its core analytical framework and aims to systematically explore how the educational cooperation between China and Africa can serve Africa's goal of modernization more precisely and effectively.First,through reviewing and analyzing the domestic and international research literature,this paper clarifies the focus,paradigms,and shortcomings of existing research,identifying the knowledge contribution of this study.Second,utilizing detailed macro-level data,case studies,and comparative research methods,it comprehensively presents the multidimensional status,structural characteristics,and development trends of China–Africa educational cooperation in areas such as student exchanges,cooperative education,vocational and technical training,language and cultural exchange,and emerging digital education.This paper also deeply analyzes the pressing and specific demands placed on the education system by Africa's modernization development across key dimensions like economic diversification,industrialization,agricultural modernization,social governance upgrading,and digital transformation.Third,based on the cooperative principle of“Africa's needs and China's strengths,”this paper innovatively proposes systematic countermeasures and suggestions for constructing new,multi-level,high-quality,sustainable,and future-oriented pathways for China–Africa educational cooperation:(a)promoting the strategic focus of cooperation to extend from“hard infrastructure”support to empowering“soft infrastructure”;(b)deepening the integration of industry and education and school–enterprise collaboration to precisely align with Africa's industrial development needs;vigorously developing digital education and jointly building a smart education ecosystem to help Africa bridge the digital divide;(c)improving an evidence-based,third-party evaluation system for cooperative effectiveness and a full-process quality assurance system;and(d)promoting the collaborative participation of multiple actors including governments,schools,enterprises,think tanks,and social organizations to build a new cooperative pattern of coconstruction,co-governance,and shared benefits.展开更多
Experts and officials shared their insights on poverty reduction cooperation and sustainable development during the 2025 International Seminar on Global Poverty Reduction Partnerships.
China provides a compelling reference for how governments can promote global climate governance and sustainable innovative development.SENIOR government officials,technical experts,and policy researchers from 14 devel...China provides a compelling reference for how governments can promote global climate governance and sustainable innovative development.SENIOR government officials,technical experts,and policy researchers from 14 developing countries in Asia,Africa,Latin America,and Pacific Island countries gathered at Tsinghua University(THU),Beijing,on September 1-13,2025 for in-depth study and exchange on“climate finance and low-carbon transformation.”展开更多
Cell adhesion plays pivotal roles in the morphogenesis of multicellular organisms.Epithelial cells form several types of cell-to-cell adhesion,including zonula occludens(tight junctions),zonula adhaerens(adherens junc...Cell adhesion plays pivotal roles in the morphogenesis of multicellular organisms.Epithelial cells form several types of cell-to-cell adhesion,including zonula occludens(tight junctions),zonula adhaerens(adherens junctions),and macula adhaerens(desmosomes).Although these adhesion complexes are basically observed only in epithelial cells,cadherins,which are the major cell adhesion molecules of adherens junctions,are expressed in both epithelial and non-epithelial tissues,including neural tissues(Kawauchi,2012).The cadherin superfamily consists of more than 100 members,but classic cadherins.展开更多
Both China and Indonesia are influential maritime powers in the Asia-Pacific region.Strengthening practical maritime cooperation is highly significant to both sides as an important component of comprehensive strategic...Both China and Indonesia are influential maritime powers in the Asia-Pacific region.Strengthening practical maritime cooperation is highly significant to both sides as an important component of comprehensive strategic cooperation.Maritime cooperation has become a prominent part of the“five pillar”cooperation framework between the two countries alongside political,economic,people-to-people exchange,and security,playing a positive role in elevating the China-Indonesia comprehensive strategic partnership to a higher level.展开更多
On September 1st,the 18th Chi na-LAC Business Summit Promotion Conference opened in Beijing.Chinese and foreign vips gathered to prepare for the 18th China LAC Business Summit,planned for Zhengzhou,Henan,from Novemb...On September 1st,the 18th Chi na-LAC Business Summit Promotion Conference opened in Beijing.Chinese and foreign vips gathered to prepare for the 18th China LAC Business Summit,planned for Zhengzhou,Henan,from November 3rd to 4th.展开更多
The year 2025 marks the 50th anniversary of the establishment of diplomatic relations between China and Thailand,as well as the“Golden Jubilee of Sino-Thai Friendship”.Over the past half-century,the scale and scope ...The year 2025 marks the 50th anniversary of the establishment of diplomatic relations between China and Thailand,as well as the“Golden Jubilee of Sino-Thai Friendship”.Over the past half-century,the scale and scope of economic and trade cooperation between China and Thailand have dramatically expanded.Both nations have strengthened their bilateral economic ties,which have increasingly strengthened their interdependence and.complementarity,presenting a broad prospect of mutual benefit and win-win cooperation.展开更多
Since the resumption of diplomatic relations between China and Indonesia in the 1990s,the economic and trade cooperation between the two countries has developed rapidly and continuously.Since 2013,the scale of trade b...Since the resumption of diplomatic relations between China and Indonesia in the 1990s,the economic and trade cooperation between the two countries has developed rapidly and continuously.Since 2013,the scale of trade between the two countries has expanded year on year,and investment has broadened from traditional agriculture and industry to the digital economy and financial insurance,which has effectively promoted industrial development in both countries.More infrastructure cooperation has significantly improved the development environment in Indonesia,producing tangible benefits for the local people.Different types of special economic zones have facilitated breakthrough development for Indonesian industries while creating employment opportunities for local residents and driving local economic development.展开更多
Energy is the bedrock of national economic development and a vital pillar for achieving sustainable growth.High-quality energy cooperation is critical to ensuring sustained,stable national economic development and the...Energy is the bedrock of national economic development and a vital pillar for achieving sustainable growth.High-quality energy cooperation is critical to ensuring sustained,stable national economic development and the transformation of the energy sector.Based on the achievements of high-quality energy cooperation within the Belt and Road Initiative,this paper systematically analyzes the current state of energy cooperation under the Belt and Road Initiative.In accordance with the intrinsic requirements for high-quality energy cooperation,and building upon the analysis and summary of prior research,this paper proposes strategies to promote high-quality energy cooperation within the Belt and Road Initiative:(1)Innovating cooperative concepts and optimizing the cooperative environment;(2)Innovating cooperation modes and expanding the scope of cooperation;(3)Improving the cooperation mechanism and building a multi-level cooperation platform;(4)Strengthening cultural exchanges and promoting dialogue.This paper offers insights and support for fostering high-quality collaboration within the Belt and Road Initiative and enhancing international energy cooperation.展开更多
This paper proposes a Multi-Agent Attention Proximal Policy Optimization(MA2PPO)algorithm aiming at the problems such as credit assignment,low collaboration efficiency and weak strategy generalization ability existing...This paper proposes a Multi-Agent Attention Proximal Policy Optimization(MA2PPO)algorithm aiming at the problems such as credit assignment,low collaboration efficiency and weak strategy generalization ability existing in the cooperative pursuit tasks of multiple unmanned aerial vehicles(UAVs).Traditional algorithms often fail to effectively identify critical cooperative relationships in such tasks,leading to low capture efficiency and a significant decline in performance when the scale expands.To tackle these issues,based on the proximal policy optimization(PPO)algorithm,MA2PPO adopts the centralized training with decentralized execution(CTDE)framework and introduces a dynamic decoupling mechanism,that is,sharing the multi-head attention(MHA)mechanism for critics during centralized training to solve the credit assignment problem.This method enables the pursuers to identify highly correlated interactions with their teammates,effectively eliminate irrelevant and weakly relevant interactions,and decompose large-scale cooperation problems into decoupled sub-problems,thereby enhancing the collaborative efficiency and policy stability among multiple agents.Furthermore,a reward function has been devised to facilitate the pursuers to encircle the escapee by combining a formation reward with a distance reward,which incentivizes UAVs to develop sophisticated cooperative pursuit strategies.Experimental results demonstrate the effectiveness of the proposed algorithm in achieving multi-UAV cooperative pursuit and inducing diverse cooperative pursuit behaviors among UAVs.Moreover,experiments on scalability have demonstrated that the algorithm is suitable for large-scale multi-UAV systems.展开更多
AT a critical juncture in global climate governance,where pressures on multilateral cooperation are mounting,collaboration between China and the European Union(EU),rooted in their shared pursuit of pragmatism and tang...AT a critical juncture in global climate governance,where pressures on multilateral cooperation are mounting,collaboration between China and the European Union(EU),rooted in their shared pursuit of pragmatism and tangible outcomes,has demonstrated unique resilience and value.展开更多
The largest-ever summit of the Shanghai Cooperation Organization(SCO)was convened in China’s northern port city of Tianjin from August 31 to September 1,2025,bringing together leaders from more than 20 countries and ...The largest-ever summit of the Shanghai Cooperation Organization(SCO)was convened in China’s northern port city of Tianjin from August 31 to September 1,2025,bringing together leaders from more than 20 countries and heads of 10 international organizations and sending a strong signal for global cooperation,development,and shared future in an age of global uncertainties.Hosting 10 member states.展开更多
The Shanghai Cooperation Organization has developed into an important international mechanism for global governance and international cooperation.THE largest-ever summit of the Shanghai Cooperation Organization(SCO)wa...The Shanghai Cooperation Organization has developed into an important international mechanism for global governance and international cooperation.THE largest-ever summit of the Shanghai Cooperation Organization(SCO)was convened in China’s northern port city of Tianjin from August 31 to September 1,2025,bringing together leaders from more than 20 countries and heads of 10 international organizations.展开更多
Multiple UAVs cooperative target search has been widely used in various environments,such as emergency rescue and traffic monitoring.However,uncertain communication network among UAVs exhibits unstable links and rapid...Multiple UAVs cooperative target search has been widely used in various environments,such as emergency rescue and traffic monitoring.However,uncertain communication network among UAVs exhibits unstable links and rapid topological fluctuations due to mission complexity and unpredictable environmental states.This limitation hinders timely information sharing and insightful path decisions for UAVs,resulting in inefficient or even failed collaborative search.Aiming at this issue,this paper proposes a multi-UAV cooperative search strategy by developing a real-time trajectory decision that incorporates autonomous connectivity to reinforce multi-UAV collaboration and achieve search acceleration in uncertain search environments.Specifically,an autonomous connectivity strategy based on node cognitive information and network states is introduced to enable effective message transmission and adapt to the dynamic network environment.Based on the fused information,we formalize the trajectory planning as a multiobjective optimization problem by jointly considering search performance and UAV energy harnessing.A multi-agent deep reinforcement learning based algorithm is proposed to solve it,where the reward-guided real-time path is determined to achieve an energyefficient search.Finally,extensive experimental results show that the proposed algorithm outperforms existing works in terms of average search rate and coverage rate with reduced energy consumption under uncertain search environments.展开更多
In recent years,China and Indonesia have made notable progress in multiple areas of security cooperation,and their collaboration in this respect has continued to deepen under the leadership of both countries.In Novemb...In recent years,China and Indonesia have made notable progress in multiple areas of security cooperation,and their collaboration in this respect has continued to deepen under the leadership of both countries.In November 2024,China and Indonesia issued a joint statement during Indonesian President Prabowo Subianto’s visit to China.It was his first overseas trip after his inauguration.In the statement,the two countries agreed to add security cooperation as the fifth pillar of their partnership,marking an upgrade of bilateral ties.展开更多
Indonesia is the only Southeast Asian country in the G20,with a 2024 GDP of USD 1.35 trillion,accounting for 36% of ASEAN's total.Indonesia has become a key node along the Belt and Road,leveraging the dividends of...Indonesia is the only Southeast Asian country in the G20,with a 2024 GDP of USD 1.35 trillion,accounting for 36% of ASEAN's total.Indonesia has become a key node along the Belt and Road,leveraging the dividends of its 281million population,more than 30%of global nickel production capacity,and the promotion of the"2045 Gold Indonesia"strategy.Currently,cooperation between China and Indonesia is extending from traditional infrastructure to new tracks such as"resource downstream,digital economy,and green economy".展开更多
Belarus is China's all-weather strategic cooperative partner,and agricultural cooperation is a dynamic and important area of bilateral relations.Despite the limited economic scale with a GDP of USD 75.96 billion i...Belarus is China's all-weather strategic cooperative partner,and agricultural cooperation is a dynamic and important area of bilateral relations.Despite the limited economic scale with a GDP of USD 75.96 billion in 2024,Belarus has significant agricultural advantages.It has natural resources and policy support suitable for agriculture,a strong agricultural foundation,and widespread mechanized operations.展开更多
From April 14 to 18,Chinese President Xi Jinping made state visits to Vietnam,Malaysia,and Cambodia.This tour coincided with global upheaval caused by“reciprocal tariffs”imposed by U.S.President Donald Trump,which t...From April 14 to 18,Chinese President Xi Jinping made state visits to Vietnam,Malaysia,and Cambodia.This tour coincided with global upheaval caused by“reciprocal tariffs”imposed by U.S.President Donald Trump,which turned global eyes towards China and Southeast Asian nations to see how they would strengthen cooperation and respond to the“Trump effect.”展开更多
On November 26,China Apparel Brands and Keqiao Textile Industry Chain Enterprises Exchange and Matchmaking Meeting was held at the Zhejiang Branch of the China Textile Information Center.Ruan Chunping,director of the ...On November 26,China Apparel Brands and Keqiao Textile Industry Chain Enterprises Exchange and Matchmaking Meeting was held at the Zhejiang Branch of the China Textile Information Center.Ruan Chunping,director of the Creative Industry Service Center of China Textile City,attended the event and pointed out in her speech that from fashionable women's wear to business men's wear,from down apparel to sportswear,"Keqiao Selected"has always been anchored to the needs of the industry and built an efficient platform to enable high-quality fabrics to be accurately matched with high-quality brands,and to create win-win results through in-depth cooperation.展开更多
文摘Cooperative multi-UAV search requires jointly optimizing wide-area coverage,rapid target discovery,and endurance under sensing and motion constraints.Resolving this coupling enables scalable coordination with high data efficiency and mission reliability.We formulate this problem as a discounted Markov decision process on an occupancy grid with a cellwise Bayesian belief update,yielding a Markov state that couples agent poses with a probabilistic target field.On this belief–MDP we introduce a segment-conditioned latent-intent framework,in which a discrete intent head selects a latent skill every K steps and an intra-segment GRU policy generates per-step control conditioned on the fixed intent;both components are trained end-to-end with proximal updates under a centralized critic.On the 50×50 grid,coverage and discovery convergence times are reduced by up to 48%and 40%relative to a flat actor-critic benchmark,and the aggregated convergence metric improves by about 12%compared with a stateof-the-art hierarchical method.Qualitative analyses further reveal stable spatial sectorization,low path overlap,and fuel-aware patrolling,indicating that segment-conditioned latent intents provide an effective and scalable mechanism for coordinated multi-UAV search.
文摘Educational cooperation,as the cornerstone and vanguard of people-to-people exchanges and practical cooperation between China and Africa,holds irreplaceable strategic significance for enhancing the quality of Africa's human capital and accelerating its structural transformation and modernization process.This paper employs“demand–supply–adaptation”as its core analytical framework and aims to systematically explore how the educational cooperation between China and Africa can serve Africa's goal of modernization more precisely and effectively.First,through reviewing and analyzing the domestic and international research literature,this paper clarifies the focus,paradigms,and shortcomings of existing research,identifying the knowledge contribution of this study.Second,utilizing detailed macro-level data,case studies,and comparative research methods,it comprehensively presents the multidimensional status,structural characteristics,and development trends of China–Africa educational cooperation in areas such as student exchanges,cooperative education,vocational and technical training,language and cultural exchange,and emerging digital education.This paper also deeply analyzes the pressing and specific demands placed on the education system by Africa's modernization development across key dimensions like economic diversification,industrialization,agricultural modernization,social governance upgrading,and digital transformation.Third,based on the cooperative principle of“Africa's needs and China's strengths,”this paper innovatively proposes systematic countermeasures and suggestions for constructing new,multi-level,high-quality,sustainable,and future-oriented pathways for China–Africa educational cooperation:(a)promoting the strategic focus of cooperation to extend from“hard infrastructure”support to empowering“soft infrastructure”;(b)deepening the integration of industry and education and school–enterprise collaboration to precisely align with Africa's industrial development needs;vigorously developing digital education and jointly building a smart education ecosystem to help Africa bridge the digital divide;(c)improving an evidence-based,third-party evaluation system for cooperative effectiveness and a full-process quality assurance system;and(d)promoting the collaborative participation of multiple actors including governments,schools,enterprises,think tanks,and social organizations to build a new cooperative pattern of coconstruction,co-governance,and shared benefits.
文摘Experts and officials shared their insights on poverty reduction cooperation and sustainable development during the 2025 International Seminar on Global Poverty Reduction Partnerships.
文摘China provides a compelling reference for how governments can promote global climate governance and sustainable innovative development.SENIOR government officials,technical experts,and policy researchers from 14 developing countries in Asia,Africa,Latin America,and Pacific Island countries gathered at Tsinghua University(THU),Beijing,on September 1-13,2025 for in-depth study and exchange on“climate finance and low-carbon transformation.”
基金funded by JSPS KAKENHI Grant Numbers JP26290015 and JP21H02655(to TK)from Ministry of Education,Culture,Sports,Science,and Technology of Japan(MEXT)。
文摘Cell adhesion plays pivotal roles in the morphogenesis of multicellular organisms.Epithelial cells form several types of cell-to-cell adhesion,including zonula occludens(tight junctions),zonula adhaerens(adherens junctions),and macula adhaerens(desmosomes).Although these adhesion complexes are basically observed only in epithelial cells,cadherins,which are the major cell adhesion molecules of adherens junctions,are expressed in both epithelial and non-epithelial tissues,including neural tissues(Kawauchi,2012).The cadherin superfamily consists of more than 100 members,but classic cadherins.
文摘Both China and Indonesia are influential maritime powers in the Asia-Pacific region.Strengthening practical maritime cooperation is highly significant to both sides as an important component of comprehensive strategic cooperation.Maritime cooperation has become a prominent part of the“five pillar”cooperation framework between the two countries alongside political,economic,people-to-people exchange,and security,playing a positive role in elevating the China-Indonesia comprehensive strategic partnership to a higher level.
文摘On September 1st,the 18th Chi na-LAC Business Summit Promotion Conference opened in Beijing.Chinese and foreign vips gathered to prepare for the 18th China LAC Business Summit,planned for Zhengzhou,Henan,from November 3rd to 4th.
文摘The year 2025 marks the 50th anniversary of the establishment of diplomatic relations between China and Thailand,as well as the“Golden Jubilee of Sino-Thai Friendship”.Over the past half-century,the scale and scope of economic and trade cooperation between China and Thailand have dramatically expanded.Both nations have strengthened their bilateral economic ties,which have increasingly strengthened their interdependence and.complementarity,presenting a broad prospect of mutual benefit and win-win cooperation.
文摘Since the resumption of diplomatic relations between China and Indonesia in the 1990s,the economic and trade cooperation between the two countries has developed rapidly and continuously.Since 2013,the scale of trade between the two countries has expanded year on year,and investment has broadened from traditional agriculture and industry to the digital economy and financial insurance,which has effectively promoted industrial development in both countries.More infrastructure cooperation has significantly improved the development environment in Indonesia,producing tangible benefits for the local people.Different types of special economic zones have facilitated breakthrough development for Indonesian industries while creating employment opportunities for local residents and driving local economic development.
基金National Social Science Fund Western Project,“Promoting strategies and realization paths for high-quality energy cooperation under the Belt and Road Initiative”(Grant No.24XGJ002)。
文摘Energy is the bedrock of national economic development and a vital pillar for achieving sustainable growth.High-quality energy cooperation is critical to ensuring sustained,stable national economic development and the transformation of the energy sector.Based on the achievements of high-quality energy cooperation within the Belt and Road Initiative,this paper systematically analyzes the current state of energy cooperation under the Belt and Road Initiative.In accordance with the intrinsic requirements for high-quality energy cooperation,and building upon the analysis and summary of prior research,this paper proposes strategies to promote high-quality energy cooperation within the Belt and Road Initiative:(1)Innovating cooperative concepts and optimizing the cooperative environment;(2)Innovating cooperation modes and expanding the scope of cooperation;(3)Improving the cooperation mechanism and building a multi-level cooperation platform;(4)Strengthening cultural exchanges and promoting dialogue.This paper offers insights and support for fostering high-quality collaboration within the Belt and Road Initiative and enhancing international energy cooperation.
基金supported by the National Research and Development Program of China under Grant JCKY2018607C019in part by the Key Laboratory Fund of UAV of Northwestern Polytechnical University under Grant 2021JCJQLB0710L.
文摘This paper proposes a Multi-Agent Attention Proximal Policy Optimization(MA2PPO)algorithm aiming at the problems such as credit assignment,low collaboration efficiency and weak strategy generalization ability existing in the cooperative pursuit tasks of multiple unmanned aerial vehicles(UAVs).Traditional algorithms often fail to effectively identify critical cooperative relationships in such tasks,leading to low capture efficiency and a significant decline in performance when the scale expands.To tackle these issues,based on the proximal policy optimization(PPO)algorithm,MA2PPO adopts the centralized training with decentralized execution(CTDE)framework and introduces a dynamic decoupling mechanism,that is,sharing the multi-head attention(MHA)mechanism for critics during centralized training to solve the credit assignment problem.This method enables the pursuers to identify highly correlated interactions with their teammates,effectively eliminate irrelevant and weakly relevant interactions,and decompose large-scale cooperation problems into decoupled sub-problems,thereby enhancing the collaborative efficiency and policy stability among multiple agents.Furthermore,a reward function has been devised to facilitate the pursuers to encircle the escapee by combining a formation reward with a distance reward,which incentivizes UAVs to develop sophisticated cooperative pursuit strategies.Experimental results demonstrate the effectiveness of the proposed algorithm in achieving multi-UAV cooperative pursuit and inducing diverse cooperative pursuit behaviors among UAVs.Moreover,experiments on scalability have demonstrated that the algorithm is suitable for large-scale multi-UAV systems.
文摘AT a critical juncture in global climate governance,where pressures on multilateral cooperation are mounting,collaboration between China and the European Union(EU),rooted in their shared pursuit of pragmatism and tangible outcomes,has demonstrated unique resilience and value.
文摘The largest-ever summit of the Shanghai Cooperation Organization(SCO)was convened in China’s northern port city of Tianjin from August 31 to September 1,2025,bringing together leaders from more than 20 countries and heads of 10 international organizations and sending a strong signal for global cooperation,development,and shared future in an age of global uncertainties.Hosting 10 member states.
文摘The Shanghai Cooperation Organization has developed into an important international mechanism for global governance and international cooperation.THE largest-ever summit of the Shanghai Cooperation Organization(SCO)was convened in China’s northern port city of Tianjin from August 31 to September 1,2025,bringing together leaders from more than 20 countries and heads of 10 international organizations.
基金supported by National Natural Science Foundation of China(No.62202449 and No.62472410)National Key Research and Development Program of China(2021YFB2900102)。
文摘Multiple UAVs cooperative target search has been widely used in various environments,such as emergency rescue and traffic monitoring.However,uncertain communication network among UAVs exhibits unstable links and rapid topological fluctuations due to mission complexity and unpredictable environmental states.This limitation hinders timely information sharing and insightful path decisions for UAVs,resulting in inefficient or even failed collaborative search.Aiming at this issue,this paper proposes a multi-UAV cooperative search strategy by developing a real-time trajectory decision that incorporates autonomous connectivity to reinforce multi-UAV collaboration and achieve search acceleration in uncertain search environments.Specifically,an autonomous connectivity strategy based on node cognitive information and network states is introduced to enable effective message transmission and adapt to the dynamic network environment.Based on the fused information,we formalize the trajectory planning as a multiobjective optimization problem by jointly considering search performance and UAV energy harnessing.A multi-agent deep reinforcement learning based algorithm is proposed to solve it,where the reward-guided real-time path is determined to achieve an energyefficient search.Finally,extensive experimental results show that the proposed algorithm outperforms existing works in terms of average search rate and coverage rate with reduced energy consumption under uncertain search environments.
文摘In recent years,China and Indonesia have made notable progress in multiple areas of security cooperation,and their collaboration in this respect has continued to deepen under the leadership of both countries.In November 2024,China and Indonesia issued a joint statement during Indonesian President Prabowo Subianto’s visit to China.It was his first overseas trip after his inauguration.In the statement,the two countries agreed to add security cooperation as the fifth pillar of their partnership,marking an upgrade of bilateral ties.
文摘Indonesia is the only Southeast Asian country in the G20,with a 2024 GDP of USD 1.35 trillion,accounting for 36% of ASEAN's total.Indonesia has become a key node along the Belt and Road,leveraging the dividends of its 281million population,more than 30%of global nickel production capacity,and the promotion of the"2045 Gold Indonesia"strategy.Currently,cooperation between China and Indonesia is extending from traditional infrastructure to new tracks such as"resource downstream,digital economy,and green economy".
文摘Belarus is China's all-weather strategic cooperative partner,and agricultural cooperation is a dynamic and important area of bilateral relations.Despite the limited economic scale with a GDP of USD 75.96 billion in 2024,Belarus has significant agricultural advantages.It has natural resources and policy support suitable for agriculture,a strong agricultural foundation,and widespread mechanized operations.
文摘From April 14 to 18,Chinese President Xi Jinping made state visits to Vietnam,Malaysia,and Cambodia.This tour coincided with global upheaval caused by“reciprocal tariffs”imposed by U.S.President Donald Trump,which turned global eyes towards China and Southeast Asian nations to see how they would strengthen cooperation and respond to the“Trump effect.”
文摘On November 26,China Apparel Brands and Keqiao Textile Industry Chain Enterprises Exchange and Matchmaking Meeting was held at the Zhejiang Branch of the China Textile Information Center.Ruan Chunping,director of the Creative Industry Service Center of China Textile City,attended the event and pointed out in her speech that from fashionable women's wear to business men's wear,from down apparel to sportswear,"Keqiao Selected"has always been anchored to the needs of the industry and built an efficient platform to enable high-quality fabrics to be accurately matched with high-quality brands,and to create win-win results through in-depth cooperation.
