[{"title":"( 5 个子文件 1.8MB ) 自动控制原理第四版PDF笔记 梅晓榕","children":[{"title":"第四章 根轨迹法.pdf <span style='color:#111;'> 278.80KB </span>","children":null,"spread":false},{"title":"第二章 系统的数学模型.pdf <span style='color:#111;'> 259.96KB </span>","children":null,"spread":false},{"title":"第一章 自动控制概述.pdf <span style='color:#111;'> 114.69KB </span>","children":null,"spread":false},{"title":"第五章 频率特性法.pdf <span style='color:#111;'> 743.61KB </span>","children":null,"spread":false},{"title":"第三章 控制系统的时域分析法.pdf <span style='color:#111;'> 791.79KB </span>","children":null,"spread":false}],"spread":true}]