doped junction

例句：

1. 1. The doped junction is a critical component in the circuit.
   掺杂接头是电路中的关键部件。
2. 2. The engineer carefully designed the doped junction to optimize performance.
   工程师仔细设计了掺杂接头以优化性能。
3. 3. The doped junction was used to improve the device's efficiency.
   掺杂接头被用来提高设备的效率。