monitoring circuit

例句：

1. 1. The monitoring circuit is designed to detect and alert when the temperature exceeds a certain threshold.
   监控电路设计用来检测并当温度超过某个阈值时发出警报。
2. 2. The security personnel are responsible for monitoring the perimeter of the facility to ensure no unauthorized access occurs.
   安保人员负责监控设施的外围，确保没有未经授权的进入。
3. 3. The monitoring circuit was installed to improve efficiency in data collection and analysis.
   监控电路的安装是为了提高数据采集和分析的效率。