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人教版高中物理重力势能说课课件免费分享

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人教版高中物理重力势能说课课件免费分享

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【物理课件】《第九章 第4节 跨学科实践:制作简易活塞式抽水机》(精练)(附电子版)

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  1. CONNECT:[ UseTime:0.000653s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001066s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000480s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000490s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000958s ]
  6. SELECT * FROM `set` [ RunTime:0.000460s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001076s ]
  8. SELECT * FROM `article` WHERE `id` = 484731 LIMIT 1 [ RunTime:0.000785s ]
  9. UPDATE `article` SET `lasttime` = 1776730533 WHERE `id` = 484731 [ RunTime:0.008401s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000500s ]
  11. SELECT * FROM `article` WHERE `id` < 484731 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000678s ]
  12. SELECT * FROM `article` WHERE `id` > 484731 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000759s ]
  13. SELECT * FROM `article` WHERE `id` < 484731 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.044083s ]
  14. SELECT * FROM `article` WHERE `id` < 484731 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.031106s ]
  15. SELECT * FROM `article` WHERE `id` < 484731 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009859s ]
0.573753s