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【简答题】
定性判断一个电路是否能够放大看哪两个方面? 答案: ( 1 )静态时 (直流通路) 放大管是否 有一个 合适的 静态工作点 。 ( 2 )交流时 (交流通路) / 待放大信号输入时 从ui→uo的信号流要能够正确传递。
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【单选题】Why did Lucy not to get something to eat?
A.
She was listening to some music.
B.
She was chatting with friends.
C.
She was totally hooked on this game!
D.
She was not hungery.
【单选题】Why did Lucy not to get something to eat?
A.
She was listening to some music.
B.
She was chatting with friends.
C.
She was totally hooked on this game!
【简答题】主设备是指 的设备,从设备是指被主设备访问的设备。
【判断题】Due to the invasion of Dorian, both the Cretan and the Mycenaean civilization came to their end at about 12-11 th century BC.
A.
正确
B.
错误
【简答题】井点管埋设的方法有()、()、()、()。
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