2005年数学建模题目A

[{"title":"（ 6 个子文件 439KB ） 2005年数学建模题目A","children":[{"title":"2005年A题全国数学建模优秀论文3.pdf <span style='color:#111;'> 392.97KB </span>","children":null,"spread":false},{"title":"长江水污染--附件4.doc <span style='color:#111;'> 322.00KB </span>","children":null,"spread":false},{"title":"长江水污染--附件1.doc <span style='color:#111;'> 28.50KB </span>","children":null,"spread":false},{"title":"长江水污染--附件2.doc <span style='color:#111;'> 67.00KB </span>","children":null,"spread":false},{"title":"A2005.doc <span style='color:#111;'> 37.00KB </span>","children":null,"spread":false},{"title":"长江水污染--附件3.doc <span style='color:#111;'> 1.02MB </span>","children":null,"spread":false}],"spread":true}]