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【2026新·七下·课件】第21课 明清时期的科技与文化

  • 2026-09-24 07:38:46
【2026新·七下·课件】第21课 明清时期的科技与文化
01
前言
诸君安好！2026春七下共21课，课件正在更新中，上课自用，开学无忧，贴近学情、让课堂更高效，让历史备课更轻松，让历史学习更愉悦！添加文末小编微信……
02
课件简介
课件名称 | 【2026春教材】七下历史第21课《明清时期的科技与文化》

课件作者 | 初中历史园地公众号小编【格桑花】

配套资源 | 课件PPT+配套导学案

页数格式 | 24页 PPT格式

03
课件详情

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-29 05:18:11 HTTP/1.1 GET : http://a.sjds.net/a/509165.html
  2. 运行时间 : 0.069395s [ 吞吐率：14.41req/s ] 内存消耗：4,256.98kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=57cd6d6f5be805cd220738da53122135
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  1. CONNECT:[ UseTime:0.000928s ] 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:0.000449s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000340s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000525s ]
  6. SELECT * FROM `set` [ RunTime:0.000272s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000780s ]
  8. SELECT * FROM `article` WHERE `id` = 509165 LIMIT 1 [ RunTime:0.000343s ]
  9. UPDATE `article` SET `lasttime` = 1790630291 WHERE `id` = 509165 [ RunTime:0.001902s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000315s ]
  11. SELECT * FROM `article` WHERE `id` < 509165 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000408s ]
  12. SELECT * FROM `article` WHERE `id` > 509165 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000307s ]
  13. SELECT * FROM `article` WHERE `id` < 509165 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000473s ]
  14. SELECT * FROM `article` WHERE `id` < 509165 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000473s ]
  15. SELECT * FROM `article` WHERE `id` < 509165 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000522s ]
0.079156s