[{"title":"( 4 个子文件 826KB ) 升降压斩波仿真","children":[{"title":"课程设计 1204010223吕斌","children":[{"title":"电路3.ms10 (Security copy) <span style='color:#111;'> 507.07KB </span>","children":null,"spread":false},{"title":"电力电子技术课程设计首页.docx <span style='color:#111;'> 17.13KB </span>","children":null,"spread":false},{"title":"电力电子电气二班 吕斌.doc <span style='color:#111;'> 213.00KB </span>","children":null,"spread":false},{"title":"电路3.ms10 <span style='color:#111;'> 161.59KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]