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【简答题】
一个M进制基带信号,码元周期为T,则传码率为 ,若码元等概率出现,则一个码元所含信息量为 。
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举一反三
【单选题】According to the passage, the applicants should wear the kind of dress to make themselves look ______.
A.
attractive
B.
persuasive
C.
conservative
D.
smart
【单选题】According to the passage, if FSAs are unable to provide the assistance, ______.
A.
they make apology to you
B.
they keep silence
C.
the introduce you to the agency or person concerned
D.
they just say sorry
【简答题】基于Internet的EDI主要有三种基本形式,即_______________、_________________、_____________。
【简答题】请将砖墙的组砌方式与正确的图片相连
【单选题】According to the passage, it may soon be possible
A.
to make something as good as human skin.
B.
toproduce drugs without side effects.
C.
to transplant human organs.
D.
to make artificial hearts and eyes.
【简答题】According to IPCC, what can make up the shortfall of the oil and gas reserves?
【简答题】服务器Router的R1( Server)的配置代码，r1(config)# crypto isakmp policy 1 的意思是
【单选题】According to the passage, leisure is not the time to ______.
A.
make preparations for the work of the next period of time
B.
recover from the physical and mental fatigue of work
C.
free ourselves from the pressure of the work
D.
seek pleasure
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