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高三一轮复习3:直线运动实验

  • 2026-09-23 07:39:39
高三一轮复习3:直线运动实验
思考：想办法记录不同时刻的位置，是运动学实验的关键。然后间接判断类型，确定速度、加速度等基本参量。当然传感器可以更直接的完成这一切。但在实验中领悟的思想、方法、情感，是什么也替代不了的。
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复习课件:第28讲 人民政权的巩固和开创独立自主的和平外交

基本 文件 流程 错误 SQL 调试
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  2. 运行时间 : 0.071177s [ 吞吐率：14.05req/s ] 内存消耗：4,256.83kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=274832f29dc90e5b60f048187525b36d
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  1. CONNECT:[ UseTime:0.000577s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000715s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000408s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000348s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000576s ]
  6. SELECT * FROM `set` [ RunTime:0.000324s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000656s ]
  8. SELECT * FROM `article` WHERE `id` = 514999 LIMIT 1 [ RunTime:0.000562s ]
  9. UPDATE `article` SET `lasttime` = 1790130667 WHERE `id` = 514999 [ RunTime:0.001035s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000319s ]
  11. SELECT * FROM `article` WHERE `id` < 514999 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000393s ]
  12. SELECT * FROM `article` WHERE `id` > 514999 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000323s ]
  13. SELECT * FROM `article` WHERE `id` < 514999 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000562s ]
  14. SELECT * FROM `article` WHERE `id` < 514999 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000652s ]
  15. SELECT * FROM `article` WHERE `id` < 514999 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000485s ]
0.082100s