test_copy1012 (id: 0b7bbc175)

[判断题]
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a vector has a directf:j 0:zz ekil1e1 b*hjioi6qu2/ re+:m jdbx2pnn.

参考答案: 


本题详细解析:
This is true because a vectoaepzsz ;vx 6cd )3+x2f iv3aixuf:)* jr is a quantity with not only a magnitude but also a direction. So th3;f:v)ai)e a*z+p6xd z cvxf 2js 3uixe answer is true.