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谁通过观察什么发明了什么

更新时间: 2020-09-17 00:00:00     

1、瓦特,通过观察烧水时水壶盖的跳动,发明了蒸汽机;

2、爱迪生,通过观察电流通过某种物体会发光,发明了电灯;

3、莱特兄弟,通过观察空气动力学原理,发明了飞机;

4、贝尔,通过观察了声音能产生电流的原理,发明了电话;

5、张衡,通过观察月食,发明了地动仪等。

关键词: 通过 观察 什么 发明

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