decimeter wave

例句：

1. 1. The waves were traveling ata speed of 30 kilometers perhour.
   这些波以每小时30公里的速度传播。
2. 2. The radio waves were bouncing off the walls and creating interference.
   无线电波在墙上反弹并产生干扰。
3. 3. Thescientists used a special device to detect thedecimeter wave.
   科学家们使用一种特殊的设备来探测分米波。