control signal detector

例句：

1. 1. The control signaldetector is used to detect the presence ofa particular chemical in the air.
   控制信号检测器用于检测空气中特定化学物质的存在。
2. 2. Thecontrol signal detector was designed to prevent accidentscaused by human error.
   控制信号检测器被设计用来防止由人为错误引起的事故。
3. 3.The control signal detector was used to monitorthe temperature and humidity levels in the laboratory.
   控制信号检测器被用来监测实验室的温度和湿度水平。