任意边界条件下中心开口矩形板自由振动特性分析
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The free vibration characteristics analysis of rectangular plate with central opening using in arbitrary boundary conditions
QIU Yong-kang1 LI Tian-yun1,2,3 ZHU Xiang1,2 GUO Wen-jie1 MAO Yi-da1
振动与冲击 . 2017, (20): 112 -117 .