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【单选题】
某站台装卸货车厢最低高度为550mm,车厢最高高度为1100mm,在满载条件下,车厢将下降150mm,则站台高度为( )。A.
400mm
B.
750mm
C.
950mm
D.
1100mm
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【简答题】Determine the working mode of each transistor. (a)and (c) is silicon material, (b) is germanium material.
【简答题】甘草酸属于
【单选题】The transistor works in the amplifying state. The measurement results are shown in the figure. If the transistor is made of the material of 锗 ,|VB-VE|=0.3V. If the transistor is made of the material...
A.
PNP锗,NPN硅
B.
NPN锗,PNP硅
【单选题】The transistor works in the amplifying state. The measurement results are shown in the figure. If the transistor is made of the material of 锗 , |VB-VE|=0.3V. If the transistor is made of the materia...
A.
PNP硅, NPN锗
B.
NPN硅,PNP锗
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