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必修二‖碳原子成键特点+烷烃的结构PPT

  • 2026-03-21 16:55:12
必修二‖碳原子成键特点+烷烃的结构PPT

💟课件预览

💟知识点总结

知识点1️⃣：认识有机物
①：有机化合物的定义和通性
②：成键特点
💟知识点2️⃣：烷烃
①：甲烷的分子结构
②：烷烃的表达方式
③：烷烃的命名
💟知识点3️⃣：同系物、同分异构体

💟更多可编辑课件

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  1. CONNECT:[ UseTime:0.000481s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000716s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000278s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000271s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000459s ]
  6. SELECT * FROM `set` [ RunTime:0.000194s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000488s ]
  8. SELECT * FROM `article` WHERE `id` = 464755 LIMIT 1 [ RunTime:0.000741s ]
  9. UPDATE `article` SET `lasttime` = 1775667453 WHERE `id` = 464755 [ RunTime:0.022488s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000739s ]
  11. SELECT * FROM `article` WHERE `id` < 464755 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001087s ]
  12. SELECT * FROM `article` WHERE `id` > 464755 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001157s ]
  13. SELECT * FROM `article` WHERE `id` < 464755 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001698s ]
  14. SELECT * FROM `article` WHERE `id` < 464755 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003243s ]
  15. SELECT * FROM `article` WHERE `id` < 464755 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004118s ]
0.189934s