The mission of logistics management is to minimize the total logistics cost. ( )
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All customers are the same and so companies should not apply the different logistical approaches for different customer groups.( )
3232
A. 225
B. 22
C. 234
D. 242
24252
A. 11
B. 122
C. 11
D. 178
Two fluid flow patterns are ______ and ______ . Reynolds number can be used to judge the flow pattern. The expression of Reynolds number in circular pipe is Re=______ . And the corresponding critical value of Re is ______ .