“卫星星历”的概念、定义、翻译、参考文献-科学参考

单词	卫星星历
释义	卫星星历 Encyclopedia 工学用户终端技术释 satellite ephemeris卫星星历以开普勒定律的6个轨道参数来确定卫星的位置、速度等各项参数的数据系统，主要用于对人造地球卫星运动预测、跟踪、定位等。又称两行轨道数据。
随便看	saddle point approximation saddle point game saddle point method saddle point of a function saddle point of a game saddle-point problem saddle point separatrix saddle point singularity saddle point theorem saddle-point type saddle polygon saddle region saddle sector saddle separatrix saddle set saddle-shaped saddle stitching saddle surface saddletree saddle type saddle-type curve Sadducees S-adenosylmethionine Sadeq Chubak Sad for China

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