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international atomic time
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international atomic time
Encyclopedia
理学
原子时
释
international atomic time
国际原子时
不同的地方原子时之间存在着差异。全世界大约有100台原子钟通过各种方法互相进行对比,再由国际时间局进行数据处理,求出全世界统一的原子时,称为国际原子时。简称IAT。
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River Nanxi Scenic and Historic Area
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