单项选择题

What is the most important in the logistics information system? （）

A. EDI
B. POS
C. GPS
D. Bar Code

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单项选择题

A. 1200*1000mm
B. 2591*2438mm
C. 600*400mm
D. A, B and C

单项选择题

What are the main differences between traditional and modern logistics? （）

A. Containerization techniques
B. Information techniques
C. A and B
D. GPS, EDI, POS and so on

单项选择题

A. Both
B. Yes
C. Not
D. Not clear