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单词 Atomic Time
释义

Atomic Time

原声例句
PBS趣味科普

Atomic time almost works too well because it keeps time better than the planet itself, so we have to constantly correct atomic time to stay in line with messy old Earth.

原子时间几乎运行完美,因为它比行星本身更好地保持时间,所以我们必须不断纠正原子时间,以与混乱的旧地球保持一致。

21年北京卷卷真题

C. Atomic time will get ahead of river time if the rivers run slower.

C. 如果河流流速较慢,原子时间将领先于河流时间。

21年北京卷卷真题

Anyone who considers river time in relation to atomic time will encounter a major imbalance and may be motivated to counteract it by consuming less fuel or supporting greener policies.

任何将河流时间与原子时间相关联的人都会遇到严重的不平衡, 并且可能会通过消耗更少的燃料或支持更环保的政策来抵消它。

中文百科

原子时 International Atomic Time

(重定向自Atomic Time)

国际原子时TAI)是根据以下秒的定义的一种国际参照时标, 属于国际单位制。

1967年第13届国际度量衡大会上通过一项决议,定义一秒为铯-133原子基态两个超精细能级间跃迁辐射9,192,631,770周所持续的时间。其起点为世界时1958年的开始。

英语百科

International Atomic Time 原子时

(重定向自Atomic Time)

International Atomic Time (TAI, from the French name Temps Atomique International) is a high-precision atomic coordinate time standard based on the notional passage of proper time on Earth's geoid. It is the basis for Coordinated Universal Time (UTC), which is used for civil timekeeping all over the Earth's surface, and for Terrestrial Time, which is used for astronomical calculations. As of 30 June 2015 when the last leap second was added, TAI is exactly 36 seconds ahead of UTC. The 36 seconds results from the initial difference of 10 seconds at the start of 1972, plus 26 leap seconds in UTC since 1972.

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更新时间:2025/6/24 0:17:19