[{"title":"( 4 个子文件 346KB ) 1995全国大学生电子设计竞赛赛题 .zip","children":[{"title":"【1995国赛A题】实用低频功率放大器 .pdf <span style='color:#111;'> 102.26KB </span>","children":null,"spread":false},{"title":"【1995国赛C题】简易无线电遥控系统 .pdf <span style='color:#111;'> 97.07KB </span>","children":null,"spread":false},{"title":"【1995国赛D题】简易电阻、电容和电感测试仪 .pdf <span style='color:#111;'> 84.89KB </span>","children":null,"spread":false},{"title":"【1995国赛B题】实用信号源的设计和制作 .pdf <span style='color:#111;'> 79.82KB </span>","children":null,"spread":false}],"spread":true}]