heterodyne system

• 外差式

heterodyne system的用法和样例：

例句

1. Different kinds of laser interferometers were compared, and heterodyne laser interferometer was selected as the laser measurement system for sinusoidal pressure.
   对不同激光干涉仪进行研究比较，最终选择外差式激光干涉仪作为正弦压力的激光测量系统。