H-rays

例句：

1. 1. The scientist discovered a new type of H-ray that could be used for communication.
   科学家发现了一种可以用来通信的新类型的射线。
2. 2. The physicist explained the principles of H-rays to his students.
   物理学家向他的学生解释了H射线的原理。
3. 3. The engineer designed a device that could detect H-rays from space.
   工程师设计了一种可以从太空探测到的射线装置。