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迪恩 卡门谈发明与施与
829,435 views |
Dean Kamen |
TED2002
• February 2002
Read transcript
发明家迪恩 卡门提出了他对塞格威的论点，也让我们瞥见了他的下一个大点子（适用于发展中国家的便携式能源和水源净化技术）。
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