[判断题]
xxxxxxxxx
[img]data/attachment/exam/2510/24/2510241250320441.jpg[/img] a vector has a direct +zs s;klyjl/( ;:wkgb vcdgik-5fk 9;ion.
参考答案:
本题详细解析: This is true because a vqh6q-eq 9c1 7 ipdq(4spd2dt tector is a quantity with not only a magnitude but also a direction. So 2tdcdq epqiqh 19(6p7tsq- d 4the answer is true.
Post time 