This is the basis for the well - known cesium clock, presently the standard of frequency and time.
这就是众所周知的铯原子钟的基础，它是目前的频率和时间基准。
A cesium clock operates by exposing cesium atoms to microwaves until they vibrate at one of their resonant frequencies and then counting the corresponding cycles as a measure of time.
一个铯钟的工作原理是：将铯原子暴露于微波中，直到它们以一个频率共振，然后以一个相应的周期作为时间度量。
Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2-6) rubidium clocks, the SO atomic time scale has been established.
利用我们现有的标准，一台试验型实验室铯束标准，三台氢原子钟以及若干台(2 -6)铷气泡标准来建立原子时尺度。
This paper introduces the frequency deviations of NIM4 Cesium fountain clock , the method and result of a new evaluation.
详细介绍NIM4铯喷泉钟系统频移及其不确定度的最新评定方法和结果。
Based on a numerical model cesium atomic clock designed before, the influence of atomic velocity distribution consisting of two peaks and three peaks has been studied respectively.
基于已建立的小型铯原子钟计算机模型系统，研究了铯束原子速度为双峰分布和三峰分布对原子钟微波频谱的影响。
Through analysis, technical requirements for VCXO used in the cesium atomic clock are put forward in this paper.
本文从分析压控晶体振荡器的技术指标对铯束频标的影响出发，提出对它的技术要求。
And an ytterbium clock has the potential to be even more accurate and stable than the cesium chronometer.
镱原子钟甚至可能比铯原子钟更加精确和稳定。
As its name suggests, RACE will replace the cesium so familiar to clock makers with a different alkali element.
顾名思义，RACE将以另一种碱金属元素取代众所熟悉的铯。
Official civilian time is kept by the cesium NIST-F1 fountain clock, accurate to within one second every 100 million years.
官方民用时间是由NIST - F 1铯原子钟记录，其准确度在每1亿年一秒的范围内。
Official civilian time is kept by the cesium NIST-F1 fountain clock, accurate to within one second every 100 million years.
官方民用时间是由NIST - F 1铯原子钟记录，其准确度在每1亿年一秒的范围内。
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