[{"title":"( 2 个子文件 678KB ) VB.Net中的有限元分析","children":[{"title":"LogOn.aspx?rp=%2FKB%2Fdotnet%2F1207954%2FbtFEM.zip&download=true <span style='color:#111;'> 52.00KB </span>","children":null,"spread":false},{"title":"Finite-Element-Analysis-in-VB-Net.pdf <span style='color:#111;'> 717.42KB </span>","children":null,"spread":false}],"spread":true}]