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数一尤其注意傅里叶级数,要重点复习掌握一下

  • 2026-09-28 17:13:10
数一尤其注意傅里叶级数,要重点复习掌握一下
⏰距离27届考研倒计时82天

长路漫漫，终点自有光芒

二重积分训练
（解析发在评论区）

Y&H考研竞赛数学

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七年级数学:第一次月考,考前一周这样复习才有效

基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000545s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000769s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000352s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000349s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000535s ]
  6. SELECT * FROM `set` [ RunTime:0.000272s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000676s ]
  8. SELECT * FROM `article` WHERE `id` = 517374 LIMIT 1 [ RunTime:0.000349s ]
  9. UPDATE `article` SET `lasttime` = 1790645421 WHERE `id` = 517374 [ RunTime:0.001311s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000298s ]
  11. SELECT * FROM `article` WHERE `id` < 517374 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000415s ]
  12. SELECT * FROM `article` WHERE `id` > 517374 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000358s ]
  13. SELECT * FROM `article` WHERE `id` < 517374 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000575s ]
  14. SELECT * FROM `article` WHERE `id` < 517374 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000560s ]
  15. SELECT * FROM `article` WHERE `id` < 517374 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000586s ]
0.082736s