noise power comparator

例句：

1. 1. The noise power comparator was used to measure the noise level in the factory.
   噪声功率比较器被用来测量工厂的噪音水平。
2. 2. The noise power comparator helped us to identify the source of the noise.
   噪声功率比较器帮助我们找到了噪音的来源。
3. 3. The noise power comparator is a useful tool for monitoring and controlling industrial noise levels.
   噪声功率比较器是一种有用的工具，用于监测和控制工业噪音水平。