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【简答题】
已知最小相位系统的对数幅频特性如图所示，试求该系统的开环传递函数。
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举一反三
【单选题】Man: Prof. Johnson sure was acting strangely today. Woman: I noticed that too. He was talking so quietly and then not giving us any homework. Can you believe that? Question: What can be inferred about...
A.
He usually assigns homework.
B.
He usually talks quietly.
C.
He didn't teach class today.
D.
He noticed that the students didn't do their homework.
【单选题】The doctor told penny that too much () to the sun is bad for the skin.
A.
exposure
B.
addition
C.
emotion
D.
attention
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。 （ ）
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。 （ ）
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。（ ） A．对 B．错
【单选题】It is a common belief among parents that too many hours for sports may hamper academic pursuits of the students.
A.
promote
B.
destroy
C.
hinder
D.
arouse
【简答题】商业秘密是指能够为权利人带来经济利益的技术信息。 （ ）
【单选题】His speech rambled for half an hour, but the ______ of what he had said was that too many people has too little money.
A.
aim
B.
purpose
C.
essence
D.
content
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