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新科普版·初中化学【电子课本】上下册高清PDF

  • 2026-03-29 18:02:49
新科普版·初中化学【电子课本】上下册高清PDF
文件内容：

科普版·化学九年级上册.pdf

科普版·化学九年级下册.pdf

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通过网盘分享的文件：北京版初中化学【电子课本】

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  1. CONNECT:[ UseTime:0.000467s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000765s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000296s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000252s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000553s ]
  6. SELECT * FROM `set` [ RunTime:0.000237s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000565s ]
  8. SELECT * FROM `article` WHERE `id` = 461306 LIMIT 1 [ RunTime:0.000724s ]
  9. UPDATE `article` SET `lasttime` = 1775341756 WHERE `id` = 461306 [ RunTime:0.002812s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000234s ]
  11. SELECT * FROM `article` WHERE `id` < 461306 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000616s ]
  12. SELECT * FROM `article` WHERE `id` > 461306 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000469s ]
  13. SELECT * FROM `article` WHERE `id` < 461306 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001060s ]
  14. SELECT * FROM `article` WHERE `id` < 461306 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000673s ]
  15. SELECT * FROM `article` WHERE `id` < 461306 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006294s ]
0.083190s