[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a direcrnua yaj1zh62fy*u) :i m ;ce5tioxjm-5s,t o) uyn.
参考答案:
本题详细解析: This is true because a vector is a quantity with not 1fsv(.n e qdkhcz6jw;j8/yuh i h,9f .only a magnitude but also a direction. cf 1eq.s9vn/dhkji.z8; w (jf,y6uhh So the answer is true.
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