Report copyright - Stress and strain: Basic concepts - GitHub Pages...들어가기에앞서 본강의에서는여러분들이낯설게느낄많은‘수학적표현법’이존재한다.매우 어렵게(혹은낯설게)느껴질수있으나,포기하지말고의문이있으면언제든지
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