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。
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.
在形式上，一秒钟，或者说一次“滴答声”被定义为在小心受控条件下，微波能量喷发或是铯133原子吸收的9 192 631 770个循环。
One second is formally defined as 9, 192, 631, 770 cycles, or "ticks and tocks," of microwave energy emitted or absorbed by cesium-133 atoms under carefully controlled conditions.
这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。
His discoveries, which won him the Nobel prize, led to the caesium atomic clock and the hydrogen maser.
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。
This is the basis for the well - known cesium clock, presently the standard of frequency and time.
美国国家标准技术研究所的研究人员正在开发一种镱原子钟，这种原子钟可能比铯原子钟更好。目前的时间标准是由铯原子钟确定的。
National Institute of Standards and Technology researchers are developing atomic clocks based on the element ytterbium that could outclass cesium atomic clocks, which currently set the standard.
镱原子钟甚至可能比铯原子钟更加精确和稳定。
And an ytterbium the potential to be even more accurate and stable than the cesium chronometer.
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。
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.
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。
This paper introduces the frequency deviations of NIM4 Cesium fountain clock , the method and result of a new evaluation.
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。
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.
镱原子钟甚至可能比铯原子钟更加精确和稳定。
And an ytterbium clock has the potential to be even more accurate and stable than the cesium chronometer.
早在1964年，为了庆祝公司成立25周年，惠普公司推出了高度精确的HP 5060a铯束原子钟，用来确保时间的准确。
Back in 1964, as HP celebrated its 25th anniversary as a company, HP introduced the highly accurate HP 5060a cesium-beam to keep accurate time.
吉布解释：「在最好的铯原子喷泉钟内，最大的误差来源是所谓的冷碰撞。」
"In the best cesium fountains the largest source of error are so-called cold collisions , " Gibble explained .
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。
Official civilian time is kept by the cesium NIST-F1 fountain clock, accurate to within one second every 100 million years.
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