fixed waveguide attenuator

例句：

1. 1. The fixedwaveguide attenuator is usedto reduce the signal strength in a wirelessnetwork.
   固定波导衰减器用于在无线网络中降低信号强度。
2. 2. The fixedwaveguide attenuator was designed to improve thesignal-to-noise ratio ofthe system.
   固定波导衰减器被设计来提高系统的信号与噪声比。
3. 3. Thefixed waveguide attenuator wasinstalled at the entrance of the building toprevent interference from external sources.
   固定波导衰减器安装在大楼入口处，以防止外部干扰。