“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	Four Piece Bedding Set four pillars about annuity, savings and retirement systems four-place relation four poets in Yongjia four-point correlation function four-point problem four-point property four-point track Four Power Agreement on Berlin Four Presented Scholars four-probe measurement four probe method Four Projects of Official Statistics Four Prose Masters of Tang and Song Dynasty by Zhu Yunming four-quadrant D.C.converting circuit four quadrant rectifier Four Realms of reality Four Reigns four roller double apron drafting mechanism Four Romance Plays of Ruan Dacheng four-rotor drone four royal tribes in Liao Dynasty Four Scholars Society Four Scrolls of Flower-and-bird Paintings four seas

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