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

单词	precise ephemeris
释义	precise ephemeris Encyclopedia 工学GNSS精密定位释 precise ephemeris精密星历由地面跟踪站根据精密的观测资料，按照一定的数学方法计算的，其精度达到厘米级的卫星星历。因为这种星历通常是事后向用户提供的，又称后处理星历。
随便看	undersonic frequency underspeed understandability understandable understanding Understanding and Interpretation:A Study of Audience and Museum Learning Understanding Media: The Extensions of Man Understanding Poetry understanding psychology understanding's legislation for nature understanding sociology Understanding Your Visitors:The Operation and Visitor Behavior Study of Shisanhang Museum of Archaeology understressing underswing Under the Ancestors' Shadow Under the Banner of Marxism Under the Fence Under the Hawthorn Tree Under the Lion Rock Under the Roof of Shanghai Under the Tongue Under the Traffic Light Under the Yoke underthrust undertone

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