primary frequency standard

基本解释

[物理学]一级频率标准基本频率标准

英汉例句

双语例句

The cesium atomic fountain used laser cooling and trapping is a new generation primary frequency standard.
应用激光冷却与囚禁的铯原子喷泉是新一代的频率基准。
Now we are evaluating the uncertainties with the target to establish the new generation time and frequency primary standard, with uncertainty in the order of 10 -15 , of this nation.
目前我们正在进行不确定度评估，可望不确定度进入10 -15量级，建立我国新一代时间频率基准装置。

词组短语

短语

5071A Primary Frequency Standard 铯原子钟
primary time and frequency standard 原级时频标准
primary cesium beam frequency standard 原级铯射束频率标准
frequency primary standard 频率基准
time and frequency primary standard 时间频率基准

专业释义

物理学

一级频率标准
基本频率标准