[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a directio xh7 r.nvrkr bvl74fg*:.l mq;gyi72aupe:q/o9q rv 5n.
参考答案:
本题详细解析: This is true because a vector is a uv0bb:: tb1w5 nm.s-dhzfwa /quantity with not only a magnitude but also a direction. S wh: zt/b0- 51a. bwufbvnmd:so the answer is true.
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