[判断题]
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[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a direct g(lodreo9 w8sjr3)z. ionxt. 4b8js -nmv.
参考答案:
本题详细解析: This is true because a vector is a quantityifp-ld*7n d 1ej(hjj3 with not only a magnitude but also a direction. So the answer is trd jdf73lj(1-hej in*pue.
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