[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a directll8 rja6ajr kq.2k z,s;w;6nkil7 f+5c /kjrhr0.eil o gkp7:uon.
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 aln e m2n*yyz2 g4miqex2k88u4lso a directl82 i2e42 8xqgyunym4m* nkez ion. So the answer is true.