종이 헬리콥터 실험을 통한 개발단계 성능변동의 이해와 개선

종이 헬리콥터 실험을 통한 개발단계 성능변동의 이해와 개선

18 Pages · 2016 · 1.06 MB · Korean
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“ Nothing in nature is unbeautiful. ” ― Alfred, Lord Tennyson
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