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F465 精品优质课资源 初中化学 专题复习《气体的制取及净化》 课件PPT+教学设计Word

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F465 精品优质课资源 初中化学 专题复习《气体的制取及净化》 课件PPT+教学设计Word
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  1. CONNECT:[ UseTime:0.000620s ] mysql:host=127.0.0.1;port=3306;dbname=c_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000946s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000300s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000308s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000486s ]
  6. SELECT * FROM `set` [ RunTime:0.000187s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000525s ]
  8. SELECT * FROM `article` WHERE `id` = 458366 LIMIT 1 [ RunTime:0.000428s ]
  9. UPDATE `article` SET `lasttime` = 1770868338 WHERE `id` = 458366 [ RunTime:0.018407s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000416s ]
  11. SELECT * FROM `article` WHERE `id` < 458366 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000593s ]
  12. SELECT * FROM `article` WHERE `id` > 458366 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003896s ]
  13. SELECT * FROM `article` WHERE `id` < 458366 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001051s ]
  14. SELECT * FROM `article` WHERE `id` < 458366 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005648s ]
  15. SELECT * FROM `article` WHERE `id` < 458366 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.008656s ]
0.115901s