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人教版化学《相对原子质量》AI课件

  • 2026-10-01 04:15:58

人教版化学《相对原子质量》AI课件

人教版九年级化学，第三单元《物质构成的奥秘》课题2《原子结构》第3课时 ——《相对原子质量》。资料包含：
✅ PPT课件
✅ 配套教学设计
✅ 完整课堂逐字稿
适合公开课、优质课、校内展示课使用，也可以结合本班学情调整后用于日常授课。#人教版化学#九年级化学#相对原子质量#化学公开课 #AI赋能课堂 #优质课件

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基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000850s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001175s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000482s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000343s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000654s ]
  6. SELECT * FROM `set` [ RunTime:0.000288s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000718s ]
  8. SELECT * FROM `article` WHERE `id` = 531512 LIMIT 1 [ RunTime:0.000354s ]
  9. UPDATE `article` SET `lasttime` = 1790991849 WHERE `id` = 531512 [ RunTime:0.001757s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000341s ]
  11. SELECT * FROM `article` WHERE `id` < 531512 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000505s ]
  12. SELECT * FROM `article` WHERE `id` > 531512 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000450s ]
  13. SELECT * FROM `article` WHERE `id` < 531512 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000680s ]
  14. SELECT * FROM `article` WHERE `id` < 531512 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000547s ]
  15. SELECT * FROM `article` WHERE `id` < 531512 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000630s ]
0.083530s