[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a directioyj 9pf-silech6 r5*w 7n.nc4.3q;pweizlh ki. bt7ls0.
参考答案:
本题详细解析: This is true because a vector is a quahr y-yj4w9w /u9w bu*antity with not only a magnitude but also a direction. So the a4w9auwy -*j uh/ ybwr9nswer is true.
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