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F594精品优质课资源 初中化学 第八单元 海洋化学资源的利用《第三节 碳酸氢钠和碳酸钠 第2课时 复分解反应的实质》课件PPT+教学设计Word

  • 2026-03-24 18:04:26
F594精品优质课资源 初中化学 第八单元 海洋化学资源的利用《第三节 碳酸氢钠和碳酸钠 第2课时 复分解反应的实质》课件PPT+教学设计Word
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  1. CONNECT:[ UseTime:0.000354s ] mysql:host=127.0.0.1;port=3306;dbname=c_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000626s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000282s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000264s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000575s ]
  6. SELECT * FROM `set` [ RunTime:0.000241s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000626s ]
  8. SELECT * FROM `article` WHERE `id` = 458853 LIMIT 1 [ RunTime:0.001364s ]
  9. UPDATE `article` SET `lasttime` = 1774766143 WHERE `id` = 458853 [ RunTime:0.000483s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000284s ]
  11. SELECT * FROM `article` WHERE `id` < 458853 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001676s ]
  12. SELECT * FROM `article` WHERE `id` > 458853 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001329s ]
  13. SELECT * FROM `article` WHERE `id` < 458853 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007557s ]
  14. SELECT * FROM `article` WHERE `id` < 458853 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.011750s ]
  15. SELECT * FROM `article` WHERE `id` < 458853 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005267s ]
0.097069s