“A-1 time”的概念、定义、翻译、参考文献-科学参考

单词	A-1 time
释义	A-1 time [¦ā ¦wǝn ´tīm] ^ASTRONOMY A particular atomic time scale, established by the U.S. Naval Observatory, with the origin on Jan.1, 1958, at zero hours Universal Time and with the unit (second) equal to 9,192,631,770 cycles of cesium at zero field.
随便看	heterogony heterograft heterohemolysin heterojunction heterokaryon heterokaryosis heterokaryotype heterokont heterolactic fermentation heterolalia heterolateral heterolecithal heterologous graft heterologous stimulus heterologous tumor heterolysis heterolytic bond dissociation energy heterolytic cleavage heteromedusoid Heteromera heteromerous heterometaplasia Heteromi heteromixis heteromorphic

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