noise radiation pattern

例句：

1. 1. The noise radiationpattern of the radio waves is changing rapidly.
   无线电波的噪声辐射模式正在迅速变化。
2. 2. The engineer used a special device tomeasure the noise radiation pattern of the engine.
   工程师使用了一种特殊的设备来测量发动机的噪声辐射模式。
3. 3. The noise radiation patternof the city was disturbed by theconstruction work.
   城市的噪声辐射模式被建筑工作所干扰。