“satellite ephemeris”的概念、定义、翻译、参考文献-科学参考

单词	satellite ephemeris
释义	satellite ephemeris 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	plan of water pollution prevention and control for the major basins(2011～2015) plan of water pollution prevention and control for the middle and lower Yangtze River basins(2011—2015) planography planoid planometer planont planoparallel plate planox plan-program-budgeting system plansifter plant plant abiotic stress Plantae plantagenet plantagina family Plantain, Peonies and Rock plantain seed plant allelochemicals plant aluminum toxicity plant anatomy Plant and Soil plant architecture plant arrangement plant ash plant ash glass

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