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初中科学八下课本精读丨电流的磁场

  • 2026-09-14 03:27:24
初中科学八下课本精读丨电流的磁场

浙教版（新版）初中科学课本精读
八下 第三单元 3.2 电流的磁场

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高中教材两篇课文两处语序问题

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  1. 请求信息 : 2026-09-15 17:28:21 HTTP/1.1 GET : http://c.sjds.net/a/467132.html
  2. 运行时间 : 0.071386s [ 吞吐率：14.01req/s ] 内存消耗：4,414.63kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=b150afd4c8ba1568c78ad24f7df2fa2e
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  1. CONNECT:[ UseTime:0.000546s ] mysql:host=172.18.0.4;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000849s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000433s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000371s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000609s ]
  6. SELECT * FROM `set` [ RunTime:0.000374s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000668s ]
  8. SELECT * FROM `article` WHERE `id` = 467132 LIMIT 1 [ RunTime:0.000407s ]
  9. UPDATE `article` SET `lasttime` = 1789464502 WHERE `id` = 467132 [ RunTime:0.001016s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000380s ]
  11. SELECT * FROM `article` WHERE `id` < 467132 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000473s ]
  12. SELECT * FROM `article` WHERE `id` > 467132 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000439s ]
  13. SELECT * FROM `article` WHERE `id` < 467132 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000677s ]
  14. SELECT * FROM `article` WHERE `id` < 467132 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000782s ]
  15. SELECT * FROM `article` WHERE `id` < 467132 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000808s ]
0.080322s