[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a directiok2.lu ci)n jv42s j5lbfb-kl*t /gd6+ w b takkv:o99dn.
参考答案:
本题详细解析: This is true because a vector is a quantity with not only a magt/wxm edi;h7-nitude but also a direction. So the ai ;tm 7wh/dxe-nswer is true.