beam interferometer

例句：

1. 1. The beam interferometer was used to measure the precise position of the stars.
   光束干涉仪被用来测量星星的精确位置。
2. 2. The scientist used the beam interferometer to study the properties of matter.
   科学家使用光束干涉仪研究物质的性质。
3. 3. The beam interferometer was a crucial tool in the development of modern telescopes.
   光束干涉仪是现代望远镜发展的关键工具。