laser interferometry

例句：

1. 1. Laser interferometry is a technique used to measure the distance between two points in space.
   激光干涉测量术是一种用来测量两个点在空间中距离的技术。
2. 2. The laser interferometer was used to detect the slightest changes in the temperature of the water.
   激光干涉仪被用来检测水中温度的微小变化。
3. 3. In laser interferometry, light waves from two lasers are combined and then sent out to measure the distance between them.
   在激光干涉测量术中，来自两个激光器的光波被组合起来，然后发送出去以测量它们之间的距离。