[{"title":"( 5 个子文件 132KB ) 系统建模与仿真:慢跑者与狗","children":[{"title":"慢跑者与狗","children":[{"title":"eq4.m <span style='color:#111;'> 231B </span>","children":null,"spread":false},{"title":"Untitled4.m <span style='color:#111;'> 136B </span>","children":null,"spread":false},{"title":"Untitled2.m <span style='color:#111;'> 162B </span>","children":null,"spread":false},{"title":"数学模型之慢跑者与狗.doc <span style='color:#111;'> 176.00KB </span>","children":null,"spread":false},{"title":"eq3.m <span style='color:#111;'> 223B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]