“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	economics of regulation Economics of Regulation and Antitrust Economics of the Arts Economics of the Public Sector economic soft landing economics of urban planning Economics of Welfare economic space economic specific frictional head loss economic spy economic stabilization and development law economic statistics economic structure economic structure of society economic system economic system reformation economic systems engineering economic take-off economic territory economic threshold economic transport air velocity economic trial economic types of agriculture region economic types of pastoralism economic ultimate recovery

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。