题目内容 (请给出正确答案)
提问人:网友f******g 发布时间:2022年4月6日 07:15
[单项选择题]

()是表征某一水域交通实况的最基本的量。

A.交通量

B.交通流密度

C.交通流速度

D.交通流宽度

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