[{"title":"( 2 个子文件 254KB ) 电压控制 LC 振荡器.rar","children":[{"title":"0283、电压控制 LC 振荡器","children":[{"title":"电压控制 LC 振荡器.pdf <span style='color:#111;'> 266.00KB </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}]