scanning signal

例句：

1. 1.The scanner detected a scanning signal in the area.
   扫描仪在该地区检测到了扫描信号。
2. 2. The researchers used a scanning signal to locate the target.
   研究人员使用扫描信号来定位目标。
3. 3. The engineers were able to use the scanning signal to identify the faulty component.
   工程师们能够使用扫描信号来识别故障组件。