primary frequency standard

常见例句

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。
返回 primary frequency standard