[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a directj lkzd5c3jd: .6bs8ex iu)7qy1hzl 9/p ved72cylua0 fon.
参考答案:
本题详细解析: This is true because a vector is a quantity with not only a magnitude but also acnn)nx fzz4 hx p8) -ef,6k)ci direction. So the answer x)zf-nne n86zk x fh,pcci)4) is true.
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