“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	original archival document original atmosphere original bearing-shoot Original Buddhism original bundle original cataloging original celadon decoration process original characters original circuit original code original cultivars type original data original design manufacture original design manufacture, ODM Original Design of the National Flag of the People's Republic of China original diameter of roll original environment original equation original equipment manufacture original equipment manufacture, OEM original ethnic residences original function Original Gas hypothesis original image digital surveying and mapping technology original innovation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。