变压器可在两个晶体管之间隔离直流 偏压.The transformer isolates the transistors with regard to d - c bias voltage .正向信号则使它的正向偏压减弱.The positive - going signal subtracts from the forward bias of the lower transistor.当正向偏压足够高时, 扩散电容很容易超过空间电荷压...
The management of many new colleges was less than satisfactory.很多新建院校的管理不尽人意.Still, the quality of advertising leaves much to be desired.广告质量仍不尽人意.I told him straight out that his work was not good enough.我实话告诉他,他的工作不尽人意...