“United States naval observatory time”的概念、定义、翻译、参考文献-科学参考

单词	United States naval observatory time
释义	United States naval observatory time Encyclopedia 工学时间系统释 United States naval observatory time；USNO美国海军天文台时美国海军天文台（USNO）产生和保持的协调世界时（UTC），也是美国国防部的标准时间。
随便看	Changdao Natural Reserve Changdao Xian Chang Daozhi Changde flower-drum opera Changde Han opera Changde Museum Changdeng opera Changdeokgung Palace Changdeokgung Palace Complex Changde Shi Changde Sixian narrative singing music Chang Di Changdi Tribe Chang-Du Subgroup of Gan Dialect Chang'e change Chang'e 1 Chang'e 1 lunar probe Chang'e 2 Chang'e 3 Chang'e 4 Chang'e 5 changeability changeable order reaction Change and Constant of Morality

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