[{"title":"( 3 个子文件 87KB ) 增益可自动变换的放大器设计-综合文档","children":[{"title":"0815、增益可自动变换的放大器设计","children":[{"title":"使用者请先阅读说明.txt <span style='color:#111;'> 29.69KB </span>","children":null,"spread":false},{"title":"增益可自动变换的放大器设计.doc <span style='color:#111;'> 164.50KB </span>","children":null,"spread":false}],"spread":true},{"title":"资料来源.txt <span style='color:#111;'> 60B </span>","children":null,"spread":false}],"spread":true}]