The first is the one known as compression or the closingmotion.
首先是一个即压缩或关闭动作。
2
Because any point on the door is always in translational motion when the door is opening or closing, so the design of the door has its own specificity.
车门上的任意点在启闭过程中始终作平行移动,因此其设计具有特殊性。
3
Further, variations of closing and opening motion of the foldable display unit triggers different modes of operation and displays.