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作者 vic2k5 在 PTT [ Mechanical ] 看板的留言(推文), 共31則
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4F推:第一題你用"平面"應力的公式去算就好,因為應變z不為零02/21 21:38
5F推:第二題我查書三角形IG=1/36...02/21 21:42
6F推:電磁波(如可見光)>P波>S波>聲波>淺水波02/21 21:55
7F→:Iy=∫(x**2)dA=∫(x**2)ydx=∫(x**2)(h/b*x)dx=1/4(b**3)h02/22 00:22
8F→:積分範圍x=0~b 直線方程式y=h/b*x02/22 00:25