“精密星历服务”的概念、定义、翻译、参考文献-科学参考

单词	精密星历服务
释义	精密星历服务 Encyclopedia 工学GNSS精密定位释 precise ephemeris service精密星历服务利用卫星系统地面控制站或地面跟踪站观测数据，按照一定的数学方法计算的卫星星历，对外提供精密定位服务。
随便看	waterless offset printing water lettuce water level control water level duration curve water level fluctuation water level forecasting water level gauge water level inscription in ancient China water levelling in ancient China water level observation water level staff in ancient china water level station water lifting water lifting cylinder wheel water lifting irrigation water lifting machinery in ancient China water light pollution water lily water-lily family waterline water-line section water-logged compost water logging waterlogging waterlogging control calculation

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。