complex function circuit

例句：

1. 1.The complex function circuit in the computer is responsible for controlling the entire system.
   计算机中的复杂功能电路负责控制整个系统。
2. 2. The engineer designed a complex function circuit to improve the efficiency of the machine.
   工程师设计了一个复杂的功能电路来提高机器的效率。
3. 3. The complex function circuit was used to power the entire building.
   复杂的功能电路被用来为整个建筑供电。