追溯渊远历史降落伞是通过增大与空气的接触面积来提高阻力从而减缓下降速度的一种简易装具。如果追溯历史渊源的话,中国应是原始降落伞的发源地。在司马迁所著的《史记》中有这样的记载:舜为了从烈火熊熊的粮仓上逃命,情急之下抓住两个遮阳用的斗笠,从高高的仓顶纵身跳下,安全 Tracing the history of a deep and distant parachute is a simple fixture that increases drag and slows down by increasing the area of ​​contact with the air. If we trace the origin of history, China should be the birthplace of the original parachute. In Sima Qian’s “Historical Records” there is such a record: Shun in order to escape from the blazing barn, in desperation to seize the two shading hats, jumped from the tall roof, safe