[{"title":"( 3 个子文件 7.05MB ) 东北大学需求分析Mooc参考.zip","children":[{"title":"[Leszek_A._Maciaszek]_Requirements_Analysis_and_System_Design.pdf <span style='color:#111;'> 7.71MB </span>","children":null,"spread":false},{"title":"2.pdf <span style='color:#111;'> 61.61KB </span>","children":null,"spread":false},{"title":"1.pdf <span style='color:#111;'> 186.87KB </span>","children":null,"spread":false}],"spread":true}]