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71页PPT,彻底看懂光纤光缆基础知识!

  • 2026-04-22 01:59:50
71页PPT,彻底看懂光纤光缆基础知识!

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  1. CONNECT:[ UseTime:0.000570s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000822s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000313s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000276s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000517s ]
  6. SELECT * FROM `set` [ RunTime:0.000192s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000651s ]
  8. SELECT * FROM `article` WHERE `id` = 486444 LIMIT 1 [ RunTime:0.002478s ]
  9. UPDATE `article` SET `lasttime` = 1776985412 WHERE `id` = 486444 [ RunTime:0.001789s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000240s ]
  11. SELECT * FROM `article` WHERE `id` < 486444 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000400s ]
  12. SELECT * FROM `article` WHERE `id` > 486444 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001825s ]
  13. SELECT * FROM `article` WHERE `id` < 486444 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001005s ]
  14. SELECT * FROM `article` WHERE `id` < 486444 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000840s ]
  15. SELECT * FROM `article` WHERE `id` < 486444 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002097s ]
0.080635s