相对的，假如射极突出部太薄，将无法有效抑制表面复合电流。
In contrast, if the emitter ledge is too thin, it may not effectively passivate the surface.
文章提出了通过测量绝缘子接地电流来检测复合绝缘子表面污秽程度的方法。
The paper presented the method to detect the pollution degree of composite insulator surface by measuring its grounding current.
模拟还表明基区缓变结构可以减少表面复合，提高电流增益。
The simulational results also show that the degradation of gain induced by surface effects can be slowed down in a gradual base structure.
模拟还表明基区缓变结构可以减少表面复合，提高电流增益。
The simulational results also show that the degradation of gain induced by surface effects can be slowed down in a gradual base structure.
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