radiation frequency

例句：

1. 1.The new device can emit radiation frequencies that are too high for humans to detect.
   这个新设备能发射对人类来说太高的辐射频率。
2. 2.The scientist used a special radio frequency to communicate with the aliens.
   科学家用一种特殊的无线电频率与外星人进行通信。
3. 3.The frequency of light is measured in hertz, which is related to the speed of light.
   光的频率是以赫兹为单位测量的，这与光速有关。