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小学科学《设计制作小车》优质课件分享

  • 2026-09-19 05:53:45
小学科学《设计制作小车》优质课件分享
⚙️小学科学互动课件｜设计制作小车
▫️🔧课件亮点
虚拟零件自由拼接组装，搭配测速对比、方案辨析互动环节，流程完整，无需额外搜集实验素材
▫️👩‍🏫教师优势
省去教具采购、分发、整理环节，课堂秩序好把控，大幅压缩备课筹备时间
▫️👧学生优势
自主构思小车结构，理解力与运动关联，锻炼工程思维与创新探究能力
#小学科学 #科学课件 #科学虚拟实验 #教师备课
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高职课程负责人如何“说课程”课件分享

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000663s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000708s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000412s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000354s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000547s ]
  6. SELECT * FROM `set` [ RunTime:0.000316s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000650s ]
  8. SELECT * FROM `article` WHERE `id` = 519029 LIMIT 1 [ RunTime:0.000346s ]
  9. UPDATE `article` SET `lasttime` = 1789913885 WHERE `id` = 519029 [ RunTime:0.001672s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000329s ]
  11. SELECT * FROM `article` WHERE `id` < 519029 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000426s ]
  12. SELECT * FROM `article` WHERE `id` > 519029 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000380s ]
  13. SELECT * FROM `article` WHERE `id` < 519029 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000575s ]
  14. SELECT * FROM `article` WHERE `id` < 519029 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000650s ]
  15. SELECT * FROM `article` WHERE `id` < 519029 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000702s ]
0.085259s