[{"title":"( 2 个子文件 136KB ) 基于AD9850的高频信号源设计.rar","children":[{"title":"0305、基于AD9850的高频信号源设计","children":[{"title":"基于AD9850的高频信号源设计.pdf <span style='color:#111;'> 125.83KB </span>","children":null,"spread":false},{"title":"使用者请先阅读说明.txt <span style='color:#111;'> 29.69KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]