“deep space datum”的概念、定义、翻译、参考文献-科学参考

单词	deep space datum
释义	deep space datum Encyclopedia 工学行星大地测量学释 deep space datum深空基准用于开展深空探测的各种模型、资料和协议的集合。主体内容包括国际天球参考架（ICRF）、国际地球参考框架（ITRF）、地球定向参数（EOP）等。
随便看	first space first splitting time first-stage propulsion system for ejection seat first stars first style mural first summation first supporting First Swan Feast First Swaziland Convention first term first test for convergence first theorem of Pappus first time of entry first Townsend coefficient first trace first transfinite ordinal first treatment rate in community first trimester screening first-type outer boundary first type surface first variation first variation formula first variation formula of arc length first virial coefficient first vitamin

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