sound absorption frequecy band width

• 宽频带

sound absorption frequecy band width的用法和样例：

例句

1. Total radiation instruments employ some broad spectral band sensors.
   全辐射仪器要使用某些宽频带传感器。
2. TWT plays an important role as high power and wide band microwave generator and microwave amplifier.
   行波管作为高功率宽频带的微波源和重要的微波信号放大器在相关行业中具有不可替代的地位。