其中一个是地心引力的力量，这股力量试图把卫星拉向地球，就像一根把卫星绑住的绳子，防止卫星飞远了。
One of them is the force of gravitation (地心引力), which tries to pull the satellite towards the earth and is like a rope which keeps the satellite from flying away.
我们有60棵卫星在天上飞，你们有多少？
美国国家航空和宇宙航行局利用一架飞机和一枚飞马火箭发射了一枚卫星。这枚卫星将要探测太阳，并有望提高太空天气预测能力。
And NASA used a plane and a Pegasus rocket to launch a satellite. The satellite will observe the sun, in hopes of improving space weather forecasting.
该设备以电视跟踪和测量为基础，主要用于测量船执行海上卫星测控任务和校飞时提供精确的航向数据。
When the measure ship carries out the measure assignment, it provides exact course data via measuring fixed star day and night.
与赢得邦塔夜传统飞梭大赛比起来，这个来自普卢二号卫星的长鼻子格利姆菲德人更希望用塞布巴的脑袋换一大笔赏金。
The long-snooted Glymphid from Ploo II had less interest in winning the Boonta Eve Classic than he did in collecting a sizable bounty on Sebulba's head.
通过对绕飞编队特性的研究，提出了一种适于摄影测量的卫星绕飞编队构形。
According to the study of the performance of the satellite flying-around formation, a formation suit for photogrammetry is proposed.
动力学方法从CW方程的解析解出发，证明了绕飞轨道是以参考卫星为中心的椭圆。
In the dynamic method, starting from the analytical solutions of the CW equations, the flying-around orbit is proved to be an ellipse centered at the reference satellite.
其次，针对编队飞行卫星队形保持控制，以对地等张角绕飞编队为背景设计相对轨道模型预测控制算法。
Secondly, a model predictive control method is designed for the satellite formation keeping and formation of invariant angular to the ground as the background.
安飞士介绍了XM卫星广播公司的一起高级和奢华车。
Avis introduces XM Satellite Radio in all Premium and Luxury vehicles.
安飞士介绍了XM卫星播送公司的全部高级和奢华车。
Avis introduces XM Sdined onllite Rdriving instructoro in ingl Premium and Luxury vehicles.
安飞士介绍了XM卫星播送公司的全部高级和奢华车。
Avis introduces XM Sdined onllite Rdriving instructoro in ingl Premium and Luxury vehicles.
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