BEIJING,Jan.2(Xinhua)-Every year on New Year's Eve,Chinese President Xi Jinping delivers his New Year greetings to the Chinese people from his office,with the Great Wall,a symbol of the Chinese nation’s resilienc...BEIJING,Jan.2(Xinhua)-Every year on New Year's Eve,Chinese President Xi Jinping delivers his New Year greetings to the Chinese people from his office,with the Great Wall,a symbol of the Chinese nation’s resilience and heritage,depicted the backdrop.展开更多
BEIJING,Dec.31(Xinhua)-On New Year's Eve,Chinese President Xi Jinping delivered his 2026 New Year message through China Media Group and the Internet.The following is the full text of the message:Greetings to all!Y...BEIJING,Dec.31(Xinhua)-On New Year's Eve,Chinese President Xi Jinping delivered his 2026 New Year message through China Media Group and the Internet.The following is the full text of the message:Greetings to all!Year after year,life opens a fresh chapter.As the new year begins,I extend my best wishes to you from Beijing!展开更多
Greetings to all!Year after year,life opens a fresh chapter.As the new year begins,I extend my best wishes to you from Beijing!The year 2025 marks the completion of China's 14th Five-Year Plan(2021-25)for economic...Greetings to all!Year after year,life opens a fresh chapter.As the new year begins,I extend my best wishes to you from Beijing!The year 2025 marks the completion of China's 14th Five-Year Plan(2021-25)for economic and social development.展开更多
针对金刚石滚轮是一种回转体零件以及其加工制造过程中信息化集成程度低等特点,对金刚石滚轮的特征信息提取、特征加工方案决策、数控程序后置处理等关键技术进行了研究,采用了产品模型数据交换标准STEP AP 242,实现对金刚石滚轮的制造...针对金刚石滚轮是一种回转体零件以及其加工制造过程中信息化集成程度低等特点,对金刚石滚轮的特征信息提取、特征加工方案决策、数控程序后置处理等关键技术进行了研究,采用了产品模型数据交换标准STEP AP 242,实现对金刚石滚轮的制造特征信息提取,使用STEP AP 242和PDM相结合的集成方式,将金刚石滚轮三维模型作为制造加工信息的载体,并选择SolidWorks作为CAD和CAM软件,以及选择Aras Innovator作为PDM平台,使用C#编程语言和数据库技术开发了金刚石滚轮CAD/CAPP/CAM/PDM集成系统,并进行了实例验证。展开更多
文摘BEIJING,Jan.2(Xinhua)-Every year on New Year's Eve,Chinese President Xi Jinping delivers his New Year greetings to the Chinese people from his office,with the Great Wall,a symbol of the Chinese nation’s resilience and heritage,depicted the backdrop.
文摘BEIJING,Dec.31(Xinhua)-On New Year's Eve,Chinese President Xi Jinping delivered his 2026 New Year message through China Media Group and the Internet.The following is the full text of the message:Greetings to all!Year after year,life opens a fresh chapter.As the new year begins,I extend my best wishes to you from Beijing!
文摘Greetings to all!Year after year,life opens a fresh chapter.As the new year begins,I extend my best wishes to you from Beijing!The year 2025 marks the completion of China's 14th Five-Year Plan(2021-25)for economic and social development.
文摘针对金刚石滚轮是一种回转体零件以及其加工制造过程中信息化集成程度低等特点,对金刚石滚轮的特征信息提取、特征加工方案决策、数控程序后置处理等关键技术进行了研究,采用了产品模型数据交换标准STEP AP 242,实现对金刚石滚轮的制造特征信息提取,使用STEP AP 242和PDM相结合的集成方式,将金刚石滚轮三维模型作为制造加工信息的载体,并选择SolidWorks作为CAD和CAM软件,以及选择Aras Innovator作为PDM平台,使用C#编程语言和数据库技术开发了金刚石滚轮CAD/CAPP/CAM/PDM集成系统,并进行了实例验证。
