SHF resonance frequency meter

例句：

1. 1. The engineer used the SHF resonance frequency meter to measure the frequency of the sound waves.
   工程师使用共振频率计来测量声波的频率。
2. 2.The SHF resonance frequency meter was used to detect the presence of a hidden object in the room.
   共振频率计被用来检测房间内隐藏物体的存在。
3. 3. The SHF resonance frequency meter was used to tune the radio to the correct frequency.
   共振频率计被用来调校收音机到正确的频率。