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caesium clock

/ˈsiːziəm klɒk/

翻译: 利用铯原子振荡频率进行高精度计时的一种原子钟,是国际单位制中定义秒的基准。

1 个条目

phrase

/ˈsiːziəm klɒk/C1formalscientific
  • zh利用铯原子振荡频率进行高精度计时的一种原子钟,是国际单位制中定义秒的基准。

A highly precise atomic clock that uses the vibrations of caesium atoms to measure time, serving as the primary standard for defining the second in the International System of Units (SI).

  1. Atomic timekeeping deviceC2formal

    A highly precise atomic clock that uses the vibrations of caesium atoms to measure time, serving as the primary standard for defining the second.

    zh铯原子钟

    • The caesium clock is so accurate it will not lose a second in millions of years.
    • International time standards are based on the caesium clock.
    • Scientists use caesium clocks to synchronize global communication networks.