"参考系" • Chinese-English Dictionary

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参考系 cān kǎo xì frame of reference
Approximate Results for 参考系
大地测量参考系  geodetic reference system
国际天球参考系  International Celestial Reference System
联合国词汇参考系统  United Nations Terminology Reference System
国际地面基准参考系  International Terrestrial Reference System
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