“coordinated universal time”的概念、定义、翻译、参考文献-科学参考

单词	coordinated universal time
释义	coordinated universal time Encyclopedia 工学时间系统释 coordinated universal time协调世界时以原子时秒长为单位，时刻上通过闰秒与世界时保持一致的时间参考标准。其时刻与世界时之差保持在±0.9秒以内。理学﹝时间计量系统﹞释 coordinated universal time协调世界时以原子时秒长为基础，时刻尽量接近于世界时的一种时间尺度，它是当代国际民用时间标准。简称UTC。
随便看	underground cavern excavation underground city in Northern America underground coal gasification underground cold storage facility underground communication underground complex underground concrete-gunite truck underground concrete-mixer truck underground cultural and educational facilities underground deep stormwater storage tunnel underground diaphragm wall underground diaphragm wall foundation underground drilling underground driving system underground dump truck underground economy underground electromagnetic wave method underground elevating platform vehicle underground energy storage system underground engineering geophysical exploration underground engineering support underground engineering survey underground equipment pinpoint underground explosion underground explosion-proof operation safety

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