multiple frequency absorption band

例句：

1. 1. The device has a multiple frequency absorption band that can effectively block interference signals.
   该设备具有多个频率吸收带，能有效屏蔽干扰信号。
2. 2.In the communication system, multiple frequency absorption bands are used to improve signal quality.
   在通信系统中，使用多个频率吸收带来提高信号质量。
3. 3. The multiple frequency absorption band of the antenna helps to reduce the noise and interference from other devices.
   天线的多频率吸收带有助于减少来自其他设备的噪声和干扰。