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Inverse Problem of Astrodynamics
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作者 Yuri Menshikov 《World Journal of Mechanics》 2015年第12期249-256,共8页
We consider the problem of determining the center of mass of an unknown gravitational body, using the disturbances in the motion of observed celestial bodies. In this paper an universal approach to obtain the approxim... We consider the problem of determining the center of mass of an unknown gravitational body, using the disturbances in the motion of observed celestial bodies. In this paper an universal approach to obtain the approximate and stable estimate of problem solution is suggested. This approach can be used in other fields of Science. For example, it can be applied for investigation of interactions between fields of forces and elementary particles using known trajectories of elementary particles motions. 展开更多
关键词 ASTRODYNAMICS LE verrier Problem REGULARIZATION MAIN HYPOTHESIS
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Reading Notes:The Red and the Black
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作者 陈月红 《海外英语》 2017年第8期184-184,186,共2页
The Red and the Black(Le Rouge et le Noir) was a novel by Stendhal, published in 1830. The title of the work had been trans-lated into English variously as Scarlet and Black, Red and Black, and The Red and the Black. ... The Red and the Black(Le Rouge et le Noir) was a novel by Stendhal, published in 1830. The title of the work had been trans-lated into English variously as Scarlet and Black, Red and Black, and The Red and the Black. The red and the black in works represent-ed the army and the black robe in church. It was the young French man normally through the two short cut for development. It was set in1830, which was after the French revolution and related a young man julien's attempts to rise above his plebeian birth through a combi-nation of talent, loving story, hard working, deception and hypocrisy, finally to find him betrayed by his own passions. 展开更多
关键词 verrieres the Besancon theological seminary the Hotel de La Mole
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