double beam interferometer

例句：

1. 1.The double beam interferometer was used to measure the precise position of a satellite.
   双光束干涉仪被用来测量卫星的精确位置。
2. 2. The double beam interferometer is essential for the accurate measurement of materials properties.
   双光束干涉仪对于材料属性的准确测量至关重要。
3. 3. The double beam interferometer was used to detect the presence of a small object in the dark room.
   双光束干涉仪被用来在黑暗的房间中探测到一个小物体的存在。