circuit model

例句：

1. 1.In circuit design, the designer must consider not only the physical layout but also the electrical connections.
   在电路设计中，设计师不仅要考虑物理布局，还要考虑电气连接。
2. 2.The circuit model is crucial for understanding how electronic devices work.
   电路模型对于理解电子设备的工作原理至关重要。
3. 3.The engineer used a circuit model to simulate the device's behavior before building it in actual hardware.
   工程师使用电路模型来模拟设备的行为，然后再在实际硬件上构建它。