当前位置：首页>PPT>“城轨信号系统升级改造技术交流会”PPT分享——深圳地铁建设集团段朝晖《深圳地铁3号线既有信号系统更新改造工程经验分享》

“城轨信号系统升级改造技术交流会”PPT分享——深圳地铁建设集团段朝晖《深圳地铁3号线既有信号系统更新改造工程经验分享》

  • 2026-04-04 12:49:10
“城轨信号系统升级改造技术交流会”PPT分享——深圳地铁建设集团段朝晖《深圳地铁3号线既有信号系统更新改造工程经验分享》

原创：中国城市轨道交通协会

相关阅读：“城轨信号系统升级改造技术交流会”PPT分享——长春轨道交通集团崔凯《延伸及改造线路信号系统多制式兼容创新探索》

“城轨信号系统升级改造技术交流会”PPT分享——上海申通地铁集团有限公司洪海珠《城市轨道交通信号系统更新改造方案研究》

“城轨信号系统升级改造技术交流会”PPT分享——北京地铁运营公司通号分公司总工曹红升《北京地铁信号系统改造升级情况介绍》

“城轨信号系统升级改造技术交流会”PPT分享——上海申通地铁集团有限公司副总工程师张郁《上海地铁信号系统更新改造策略研究》

安全可控，创新发展丨城轨信号系统升级改造技术交流会在上海召开

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  1. CONNECT:[ UseTime:0.000518s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000612s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000267s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000248s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000481s ]
  6. SELECT * FROM `set` [ RunTime:0.000193s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000509s ]
  8. SELECT * FROM `article` WHERE `id` = 484637 LIMIT 1 [ RunTime:0.000376s ]
  9. UPDATE `article` SET `lasttime` = 1775420612 WHERE `id` = 484637 [ RunTime:0.005754s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000231s ]
  11. SELECT * FROM `article` WHERE `id` < 484637 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000447s ]
  12. SELECT * FROM `article` WHERE `id` > 484637 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000382s ]
  13. SELECT * FROM `article` WHERE `id` < 484637 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000679s ]
  14. SELECT * FROM `article` WHERE `id` < 484637 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000692s ]
  15. SELECT * FROM `article` WHERE `id` < 484637 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003391s ]
0.080866s