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【MIT重新发明飞机】这架飞机翼展5米，总重量仅2.5公斤，甚至连一个行李箱的重量都不...

 5 years ago
source link: https://mp.weixin.qq.com/s/A8N8OeKj-ksDXsu-WbK2Xg
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【MIT重新发明飞机】这架飞机翼展5米，总重量仅2.5公斤，甚至连一个行李箱的重量都不到，飞行高度也只有1米左右。但它却是人类历史上第一架由离子引擎推动的飞机。

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