人类自古以来就梦想着能像鸟一样在天空中翱翔,飞机的发明让我们的梦想变成了现实.然而,人类的飞天梦想却经历了从幻想到冒险,从理论探索到实践创新的漫长过程.下面就让我们一起来回顾一下飞机的发展历程.飞机的“前世”古代人认为人之所以不能飞.是因为缺少翅膀.只要造出一个合适的翅膀就能像鸟一样飞翔.如图1所示,有人用鸟的羽毛制成翅膀,绑在身上变成“飞人”从高台上跳下,本想像鸟那样拍拍翅膀直冲云霄,然而只扑腾 Humankind has dreamed of soaring like a bird in the sky since ancient times, and the invention of the airplane made our dream come true. However, human’s flying dream has gone through a long process from fantasy to adventure and from theory to practice Let’s take a look back at the history of the aircraft. The “Ancient Genesis” of the Aircraft The reason why the ancients can not fly because of the lack of wings is that they can fly like a bird by making a suitable wing. As shown in Figure 1, some people use the bird’s feathers to make wings and tie them onto their bodies to become “trapeze”. They jumped off the high platform and the birds clapped their wings to the sky like birds,