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教科版 第4课《乐器的声音变化》AI课件

  • 2026-11-06 12:00:37

教科版 第4课《乐器的声音变化》AI课件

教科版 科学 四上 第三单元《声音》第4课《乐器的声音变化》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。#教科版科学 #四年级上册科学#乐器的声音变化#科学公开课 #AI赋能课堂 #优质课件

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人教版数学《圆周率和圆的周长公式》AI课件

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:0.000429s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000674s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000418s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000424s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000671s ]
  6. SELECT * FROM `set` [ RunTime:0.000387s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000849s ]
  8. SELECT * FROM `article` WHERE `id` = 543876 LIMIT 1 [ RunTime:0.000489s ]
  9. UPDATE `article` SET `lasttime` = 1793953158 WHERE `id` = 543876 [ RunTime:0.001379s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000428s ]
  11. SELECT * FROM `article` WHERE `id` < 543876 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000475s ]
  12. SELECT * FROM `article` WHERE `id` > 543876 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000452s ]
  13. SELECT * FROM `article` WHERE `id` < 543876 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000787s ]
  14. SELECT * FROM `article` WHERE `id` < 543876 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000667s ]
  15. SELECT * FROM `article` WHERE `id` < 543876 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000915s ]
0.101987s