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AP&AL 经济知识点总结:完全竞争市场_特征

  • 2026-11-07 21:46:31
AP&AL 经济知识点总结:完全竞争市场_特征

大家好，今天聊的是 AP 与 Alevel 经济的必考重点：完全竞争市场，今天先带来第一部份，市场特征，具体内容大家可以看图片。

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《地质学基础》考前复习总结,名词解释

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:0.000497s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000748s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000383s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000392s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000522s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000595s ]
  8. SELECT * FROM `article` WHERE `id` = 540624 LIMIT 1 [ RunTime:0.000372s ]
  9. UPDATE `article` SET `lasttime` = 1794068449 WHERE `id` = 540624 [ RunTime:0.001250s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000347s ]
  11. SELECT * FROM `article` WHERE `id` < 540624 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000487s ]
  12. SELECT * FROM `article` WHERE `id` > 540624 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000398s ]
  13. SELECT * FROM `article` WHERE `id` < 540624 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000518s ]
  14. SELECT * FROM `article` WHERE `id` < 540624 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000567s ]
  15. SELECT * FROM `article` WHERE `id` < 540624 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000824s ]
0.093112s