[{"title":"(2个子文件2KB)mann-kendall时间序列趋势检验","children":[{"title":"mann-kendall时间序列趋势检验","children":[{"title":"www.pudn.com.txt <span style='color:#111;'>218B</span>","children":null,"spread":false},{"title":"mk.m <span style='color:#111;'>3.69KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]