trapped electromagnetic wave

例句：

1. 1. The trapped electromagnetic wavewas causing interference with the communication system.
   被困的电磁波正在干扰通信系统。
2. 2. The trappedelectromagnetic wave could be used to detectunderwater objects.
   被困的电磁波可以用来探测水下物体。
3. 3. The trapped electromagnetic wave wasa significant threat to the security of thecommunication network.
   被困的电磁波对通信网络的安全构成了重大威胁。