[{"title":"( 3 个子文件 3KB ) matlabPCA故障诊断.zip","children":[{"title":"PCA.m <span style='color:#111;'> 4.83KB </span>","children":null,"spread":false},{"title":"使用说明更多帮助.html <span style='color:#111;'> 241B </span>","children":null,"spread":false},{"title":"Readme_download.txt <span style='color:#111;'> 1003B </span>","children":null,"spread":false}],"spread":true}]