[{"title":"(3个子文件4.01MB)数学建模竞赛中应当掌握的十类算法、常用数学模型及建模方法.zip","children":[{"title":"建模","children":[{"title":"常用数学模型及建模方法.doc <span style='color:#111;'>76.50KB</span>","children":null,"spread":false},{"title":"数学建模竞赛中应当掌握的十类算法.pdf <span style='color:#111;'>179.65KB</span>","children":null,"spread":false},{"title":"数模大全.pdf <span style='color:#111;'>4.06MB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]