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【判断题】
因并联谐振时,则电感和电容支路上会引起过电流,所以并联谐振又称为电流谐振。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】We can get a loan from the bank if we can ______ some collateral.
A.
put on
B.
put down
C.
put up
D.
put off
【单选题】如果您想要连接两个 Actor 来创建父子关系,则可以在 ____________ 中完成这项操作。
A.
世界大纲视图
B.
细节面板
C.
内容浏览器
D.
模式面板
【单选题】The boy promised _______ him more help.
A.
give
B.
to give
C.
that he give
D.
that he gives
【单选题】—Can you tell me _____________? —We are very good friends.
A.
how you get on with Joe
B.
who your best friend is
C.
what you are going to be
D.
what he looks like
【单选题】The boy promised his father____with others any more.
A.
not to fight
B.
to not fight
C.
not fight
D.
no fight
【简答题】引入电压串联负反馈可改善放大电路性能,使增益稳定性 、非线性失真 、通频带 、输入电阻 、输出电阻 。
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