semi-actuated signal control

例句：

1. 1. The semi-active signal control system is used to improve the efficiency of the power grid.
   半主动信号控制系统用于提高电网的效率。
2. 2.The semi-active control device can automatically adjust the speed of the motor based on the input signals.
   半主动控制装置可以根据输入信号自动调整电机的速度。
3. 3. In this project, we will use a semi-active signal control system to monitor the temperature in the factory.
   在这个项目中，我们将使用一个半主动信号控制系统来监控工厂的温度。