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 frail columns bear the architrave.细弱的支柱支撑着框缘.A plain or decorated horizontal part of an entablature between the architrave and cornice.水平面雕刻在框缘和檐板之间的带子.A plain or decorated horizontal part of entablature between the ...