laser frequency standard

常见例句

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。
It also involves the design method, principle of two-frequency laser gauge meter and the result of verifications of standard devices using the gauge.
并介绍了双频激光同轴量规计的设计方法、工作原理及利用它对标准件定标的情况。
Considering influence of external vibration on ultra-low frequency standard vibration systems, the vibration insulating foundation for vibration tables and a laser vibrometer is studied.
针对超低频标准振动系统易受外界振动干扰的问题，研究了超低频标准振动台与激光测振仪的隔振基础设计技术。