“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	four-tensor four-terminal method four terminal parameter analysis four-terminal resistance four terminals of body fourth Brocard triangle Fourth Brother Visits His Mother Fourth Cambridge Survey catalogue fourth class reagent fourth-class reagent Fourth Congress of China Writers Association fourth contact fourth cosmic velocity Fourth Crusades Four Theories of the Press fourth five-year plan of China Fourth fundamental catalog fourth generation fourth generation, 4G fourth generation computer Fourth Generation Directors fourth generation evaluation fourth generation language fourth generation language, 4GL fourth generation of nuclear reactors

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。