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高中化学《必修第一册》课件∣4.2.1元素周期律

  • 2026-11-05 19:30:05
高中化学《必修第一册》课件∣4.2.1元素周期律
封面故事：2014.6.13 我到省实天河参加广州市高二化学教研。
必修第一册，物质分类，离子反应、氧化还原反应、物质的量及相关物理量、典型金属元素钠、典型非金属元素氯、金属材料铁和铝、结构与元素周期律。
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基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000535s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000787s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000441s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000414s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000784s ]
  6. SELECT * FROM `set` [ RunTime:0.000399s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000872s ]
  8. SELECT * FROM `article` WHERE `id` = 542046 LIMIT 1 [ RunTime:0.000403s ]
  9. UPDATE `article` SET `lasttime` = 1793979642 WHERE `id` = 542046 [ RunTime:0.001082s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000345s ]
  11. SELECT * FROM `article` WHERE `id` < 542046 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000473s ]
  12. SELECT * FROM `article` WHERE `id` > 542046 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000587s ]
  13. SELECT * FROM `article` WHERE `id` < 542046 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000541s ]
  14. SELECT * FROM `article` WHERE `id` < 542046 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000624s ]
  15. SELECT * FROM `article` WHERE `id` < 542046 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000745s ]
0.125795s