“spacecraft tracking”的概念、定义、翻译、参考文献-科学参考

单词	spacecraft tracking
释义	spacecraft tracking [`spās´kraft ´trak·iŋ] ^ENGINEERING The determination of the positions and velocities of spacecraft through radio and optical means.
随便看	loparite lopezite Lophialetidae Lophiiformes lophine Lophiodontidae lophocercous lophocyte lophodont Lophogastrida lophophore lophotrichous lopolith lopping shears lorac lorad loran loran A loran C loran chain loran chart loran D lorandite loran fix loran line

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