resonance indicator

例句：

1. 1.The resonance indicator is used to measure the frequency of vibrations in a system.
   共振指示器用于测量系统振动的频率。
2. 2. The resonance indicator was used to detect the presence of anomalies in the data.
   共振指示器被用来检测数据中的异常。
3. 3.The resonance indicator helped us to identify the source of the noise in the room.
   共振指示器帮助我们确定了房间中噪音的来源。