1. (整理)第二章第十三节曲面上法曲率的最值高斯曲率平均曲率极小...22|2||()()]Mdudv M E du G dv ≤+, 所以,有|| ||n M k M -≤≤, 于是 正螺面的主曲率k 1 ; k 2 , 总曲率K 和平均曲率H 分别为 21222 2||| ,()()b b k k u b u b ==-++, 22 122 22() M...
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3. EASY UI tree如何根据部分值来选中checkbox_lyh1112的博客首先tree需要设置checkbox:true <ulid="tr"class="easyui-tree"style="width: 100%; padding: 0 0 0 0; margin: 0 0 0 0;" data-options="fit:true,dnd:false,checkbox:true,cascadeCheck:false"> var array = "200,400...
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