“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	meteorist meteorite meteorite astronomy meteorite crater meteorite dust meteorite hypothesis meteorite impact meteorite matter meteorite shower meteorite strewn field meteoritic hypothesis meteoriticist meteoritics meteoritic theory meteorogram meteorograph meteoroid meteoroid dust meteoroid dust cloud meteoroid stream meteorolite meteorological aircraft meteorological and hydrological disasters in China meteorological archives management Meteorological Archives of China Meteorological Administration

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。