[{"title":"(1个子文件59.58MB)系统辨识理论及应用-萧德云高清.pdf版","children":[{"title":"59340405440340a9a051c7cffcdb17d4","children":[{"title":"2014_系统辨识理论及应用_萧德云_1.pdf <span style='color:#111;'>59.93MB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]