[{"title":"( 5 个子文件 488KB ) 北京工业大学考研试卷","children":[{"title":"471北工大2006数据结构与C++3.jpg <span style='color:#111;'> 119.82KB </span>","children":null,"spread":false},{"title":"471北工大2006数据结构与C++1.jpg <span style='color:#111;'> 89.66KB </span>","children":null,"spread":false},{"title":"471北工大2006数据结构与C++2.jpg <span style='color:#111;'> 101.69KB </span>","children":null,"spread":false},{"title":"471北工大2006数据结构与C++5.jpg <span style='color:#111;'> 94.37KB </span>","children":null,"spread":false},{"title":"471北工大2006数据结构与C++4.jpg <span style='color:#111;'> 84.37KB </span>","children":null,"spread":false}],"spread":true}]