test_copy1012 (id: 0b7bbc175)

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[判断题]
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a vector has a direc zjnj5 2v*4sp4,rmzqe7mz4 q+ zfz)nqbyvs+/tion.

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 y4/ -xwql8fyh also a direction. So the answer is l4fyyq x8h-/wtrue.