internally diffused junction

例句：

1. 1. The internal diffusionjunction is crucial for the proper functioning of the device.
   内部扩散结点对于设备的正确运作至关重要。
2. 2. The researcher found that the internal diffusion junction was responsible for the device's failure.
   研究者发现，内部扩散结点是导致该设备故障的原因。
3. 3. The engineer designed a new internal diffusion junction to improve the device's efficiency.
   工程师设计了一种新型的内部扩散结点，以提高设备的工作效率。