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【简答题】
二进制双极性基带信号,当 0 , 1 出现的概率满足( )时,其功率谱中无离散谱分量。
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反馈参考答案：
举一反三
【单选题】When does auxiliary burner of rotary nozzle incinerator begin to work? I. When igniting; II. The sludge for dealing with is too much; III. before stopping incinerator.
A.
I+II
B.
I+III
C.
II+III
D.
I+II+III
【单选题】She's seen her son face __________ before, like dealing with the death of his father, Pat, in a bike accident.
A.
suffering
B.
difficulty
C.
happiness
D.
adversity
【单选题】When does auxiliary burner of rotary nozzle incinerator begin to work? Iwhen igniting II the sludge for dealing with is too much III before stopping incinerator
A.
Ⅰ+Ⅱ
B.
Ⅰ+Ⅲ
C.
Ⅱ+Ⅲ
D.
Ⅰ+Ⅱ+Ⅲ
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