“precise ephemeris service”的概念、定义、翻译、参考文献-科学参考

单词	precise ephemeris service
释义	precise ephemeris service 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	molecular identification of Chinese medicinals molecular identification of crude drug molecular identification principles of multiple germplasm origin molecular identification technology of aquatic germplasm molecular Imaging molecular imaging molecular immunology molecular imprinting molecular imprinting technique molecular imprinting technique (MIT) molecular imprinting technology and its application in ananysis of drugs molecular inclusion complex molecular interaction molecular interaction network molecular interaction networks molecular interactions of polymers molecular ion molecular ionization molecularity molecularity of reaction molecular kinetics theory for surface and interface mechanics molecular kinetic theory molecular knot molecular lattice molecular layer

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