“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	planning editor planning element planning environmental impact assessment of water resources project and hydropower project planning evaluation planning for Beijing scenic area system Planning for Emergency Capacity Construction of National Major Offshore Oil Spills（2015-2020） planning for green space system of Kunming Planning for the Arts planning gain planning information system project cost management planning information system project quality management planning information system project risk response planning information system project schedule management planning layout of scenic and historic area planning management of land use planning management of library planning management of underground space planning management pattern planning management pattern of market economy planning map planning mathematics planning of ancient Chinese city planning of an experiment planning of Beijing Planning of Canberra

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。