[{"title":"( 3 个子文件 1.31MB ) 城市公共交通IC卡技术规范.zip","children":[{"title":"城市公共交通IC卡技术规范第5部分:非接触接口通讯.pdf <span style='color:#111;'> 316.90KB </span>","children":null,"spread":false},{"title":"城市公共交通IC卡技术规范第2部分:卡片.pdf <span style='color:#111;'> 878.81KB </span>","children":null,"spread":false},{"title":"城市公共交通IC卡技术规范第6部分:安全.pdf <span style='color:#111;'> 395.65KB </span>","children":null,"spread":false}],"spread":true}]