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初中科学八下课本精读丨电磁感应

  • 2026-05-10 22:53:02
初中科学八下课本精读丨电磁感应

浙教版（新版）初中科学课本精读
八下 第三单元 3.4 电磁感应
#学习笔记#备课笔记#浙教版科学#电磁感应#发电机

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  1. CONNECT:[ UseTime:0.000501s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000769s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000286s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000233s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000456s ]
  6. SELECT * FROM `set` [ RunTime:0.000194s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000555s ]
  8. SELECT * FROM `article` WHERE `id` = 467340 LIMIT 1 [ RunTime:0.000356s ]
  9. UPDATE `article` SET `lasttime` = 1778761988 WHERE `id` = 467340 [ RunTime:0.013242s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000346s ]
  11. SELECT * FROM `article` WHERE `id` < 467340 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000527s ]
  12. SELECT * FROM `article` WHERE `id` > 467340 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000400s ]
  13. SELECT * FROM `article` WHERE `id` < 467340 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000731s ]
  14. SELECT * FROM `article` WHERE `id` < 467340 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000793s ]
  15. SELECT * FROM `article` WHERE `id` < 467340 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005879s ]
0.092467s