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【多选题】
（多选）当流体在直湍流时，随着雷诺数的增大，如下结论正确的有（）*A.
摩擦系数减小
B.
层流内层变薄
C.
近壁处速度梯度减小
D.
流体湍动程度增大
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皮皮学刷刷变学霸
举一反三
【判断题】Living in the age of Big Data, all the information on the Internet can be trusted
A.
正确
B.
错误
【判断题】The computer that is not connected to the Internet can be completely secure.
A.
正确
B.
错误
【简答题】Why
does Helen say surfing the Internet can be distracting?
【判断题】Living in the age of Big Data, all the information on the Internet can be trusted.
A.
正确
B.
错误
【单选题】Web pages in the Internet can be modelled as a graph in that:
A.
Each web page (together with its contents) can be considered as a node
B.
Each hyperlink pointing from one web page to another can be considered as a link
C.
Web pages stored in different computers form an information network representing the underlying computer network
D.
All of the options given
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