automatic-frequency analyzer

例句：

1. 1. This automatic frequency analyzer can quickly identify the frequency of the signal.
   这款自动频率分析仪可以迅速识别信号的频率。
2. 2. The engineer used this automatic frequency analyzer to troubleshoot the issue.
   工程师使用这款自动频率分析仪来解决问题。
3. 3. The automatic frequency analyzer is an essential tool for diagnosing electrical equipment.
   自动频率分析仪是诊断电气设备必不可少的工具。