图3-5画出了速度的相加，常识告诉我们这种相加方法必定是正确的。Fig. 3-5 showed an addition of velocities that our common sense tells us must be right.
图3-5画出了速度的相加，常识告诉我们这种相加方法必定是正确的。Fig. 3-5 showed an addition of velocities that our common sense tells us must be right.
A.正确
B.错误
正确答案：错误