[{"title":"( 6 个子文件 3.99MB ) 研一矩阵论ppt","children":[{"title":"矩阵论","children":[{"title":"矩阵论PPT","children":[{"title":"第五章矩阵分析.ppt <span style='color:#111;'> 1.26MB </span>","children":null,"spread":false},{"title":"第二章.ppt <span style='color:#111;'> 1.50MB </span>","children":null,"spread":false},{"title":"第一章.ppt <span style='color:#111;'> 3.11MB </span>","children":null,"spread":false},{"title":"第四章.ppt <span style='color:#111;'> 2.72MB </span>","children":null,"spread":false},{"title":"第三章.ppt <span style='color:#111;'> 1.17MB </span>","children":null,"spread":false},{"title":"第六章.ppt <span style='color:#111;'> 763.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]