【单选题】在明朝,主管审判的中央司法机关是( )。
【单选题】The dc bias circuit has RB=200kΩ , RC=1kΩ and VCC=15V. If the transistor has β=100. the transistor works in _______ region.
【简答题】科研选题和设计的生命是A. 科学性 B.实用性 C.创新性 D.可行性 E.可信性
【简答题】请上网查找GB/T19580,其中对“相关方关系” 是如何规定的?
【单选题】The dc bias circuit has RB=200kΩ , RC=1kΩ and VCC=15V. If the transistor has β=300. the transistor works in _______ region.