[{"title":"(8个子文件454KB)信号与系统.zip","children":[{"title":"信号与系统B卷.doc <span style='color:#111;'>127.50KB</span>","children":null,"spread":false},{"title":"信号与系统B卷答案.doc <span style='color:#111;'>85.50KB</span>","children":null,"spread":false},{"title":"信号与系统A卷.doc <span style='color:#111;'>284.50KB</span>","children":null,"spread":false},{"title":"参考答案及评分标准模板B.doc <span style='color:#111;'>142.50KB</span>","children":null,"spread":false},{"title":"A卷参考答案(2).doc <span style='color:#111;'>90.00KB</span>","children":null,"spread":false},{"title":"A卷参考答案.doc <span style='color:#111;'>85.00KB</span>","children":null,"spread":false},{"title":"信号与系统A卷(2).doc <span style='color:#111;'>196.50KB</span>","children":null,"spread":false},{"title":"信号与系统B卷(2).doc <span style='color:#111;'>315.50KB</span>","children":null,"spread":false}],"spread":true}]