当前位置：首页>学习资料>跨学科学习活动《动物奇趣档案-仿生小实验》安阳高新区第一小学 二年级(10)班 袁若云

跨学科学习活动《动物奇趣档案-仿生小实验》安阳高新区第一小学 二年级(10)班 袁若云

  • 2026-03-02 12:16:54
跨学科学习活动《动物奇趣档案-仿生小实验》安阳高新区第一小学 二年级(10)班 袁若云
袁若云同学制作的小鱼“方向盘”小实验，灵感来自鱼的尾鳍。鱼儿靠尾鳍摆动稳定身体、控制方向，人类受此启发发明了船舵。船舵装在船尾，通过转动舵叶改变水流，让船只平稳灵活地航行。走进自然学知识，动手实验长本领，让我们一起发现更多大自然的奥秘吧！
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  1. CONNECT:[ UseTime:0.001000s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001499s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000723s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000689s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001390s ]
  6. SELECT * FROM `set` [ RunTime:0.000602s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001467s ]
  8. SELECT * FROM `article` WHERE `id` = 471152 LIMIT 1 [ RunTime:0.000944s ]
  9. UPDATE `article` SET `lasttime` = 1772487706 WHERE `id` = 471152 [ RunTime:0.016286s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000628s ]
  11. SELECT * FROM `article` WHERE `id` < 471152 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001428s ]
  12. SELECT * FROM `article` WHERE `id` > 471152 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001201s ]
  13. SELECT * FROM `article` WHERE `id` < 471152 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003862s ]
  14. SELECT * FROM `article` WHERE `id` < 471152 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002285s ]
  15. SELECT * FROM `article` WHERE `id` < 471152 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002771s ]
0.202502s