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【多选题】
宽平稳随机过程必须满足以下哪些条件( )A.
为过程
B.
均值函数为一常数
C.
自相关函数只是时间间隔的函数
D.
自相关函数只是时间的函数
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举一反三
【简答题】4.
The girls work out every morning, a_____ at losing weight.
【单选题】Girls' work is______ .
A.
harmful to the health because it is heavy
B.
not harmful to the health because it is light
C.
not harmful to the health though it is heavy
D.
harmful to the health though it is light
【简答题】国际上常用的温标有:摄____温标、华氏温标、热____温标、1990国际温标等。
【单选题】Either of ______ is quite capable of the work.
A.
girl
B.
the girl
C.
girls
D.
the girls
【简答题】国际上常用的温标有:摄______温标、华氏温标、热______温标、19______国际温标等。
【单选题】Either of_________is quite capable of the work． A.girdB.the girlC.girls#
A.
Either of_________is quite capable of the work． A.gird
B.
the girl
C.
girls
D.
the gifts
【单选题】35 Many of the normal-weight girls were trying to lose pounds
A.
of their own free will.
B.
out of sheer necessity.
C.
through self-induced vomiting.
D.
under the orders of their doctors.
【简答题】What It's All About ? On Thursday, April 27, girls around the world will go to work instead of going to school. 'Take Our Daughters to Work Day' is a special in which participants go with their ...
【简答题】In which situation in this study did boys work better than girls?
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