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- In this paper the research of the NEAs has been thoroughly reviewed, and the exploration methods of the orbital evolution and the main results with respect to the NEAs are included. 全面地介绍了近年来关于近 地小行星(小天体)的研究状况，包括对近地小行星轨道演化的研究方法和主要结 果。
- A STUDY OF THE ORBITAL EVOLUTION OF NEAR-EARTH ASTEROIDS 近地小行星轨道演化的研究
- THE NUMERICAL METHODS OF THE RESEARCH IN THE ORBITAL EVOLUTION OF THE ASTEROIDS 小行星轨道演化研究中的数值方法
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- orbital calculation, kinetic velocity and orbital evolution of meteoroid steams; 流星群的轨道计算、运动速度和轨道演变；
- The space program is the evolution of years of research. 太空计划是多年研究的发展结果。
- Darwin put forth the theory of evolution,. 达尔文提出了进化论。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- Do you know about the evolution of a seed into a plant? 你知道从种子发展成为植物的过程吗？
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- Our watchword is: Evolution, not revolution'. 我们的口号是: ｀要循序渐进，不要剧烈变革.;＇
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- Darwin spend more than twenty year work on his theory of evolution. 达尔文花了二十余年时间研究他的进化论。
- In politics Britain has preferred evolution to revolution. 在政治上，英国喜欢渐进而不喜欢革命。
- Our political institutions are in continuous evolution. 我们的政治制度正在不断发展中。
- The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
- The two spacecraft will link up (with each other) in orbit. 两艘宇宙飞船将於轨道上(互相)连接。
- This is a clear exposition of the theory of evolution. 这是对进化论的清晰的阐述。
