The reason why I choose Q is because then I lose both this force and that force, and I only have to deal with this one and that one.
我选择Q点的原因是,如果我撤去这两个力，我就只用考虑这个力,和那个力了。
Q 6. I think I found a track! When will I know if it is a real track?
我觉得我找到了一个轨迹！何时才能知道它是否是真正的轨迹？
Q 6. I think I found a track! When will I know if it is a real track?
我觉得我找到了一个轨迹！何时才能知道它是否是真正的轨迹？
应用推荐