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重庆大学841信号与系统历年考研真题汇编(含部分答案)

  • 2026-09-25 08:28:42
重庆大学841信号与系统历年考研真题汇编(含部分答案)
重庆大学841信号与系统历年考研真题汇编（含部分答案）
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  1. CONNECT:[ UseTime:0.000612s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000838s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000379s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000400s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000554s ]
  6. SELECT * FROM `set` [ RunTime:0.000294s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000663s ]
  8. SELECT * FROM `article` WHERE `id` = 478598 LIMIT 1 [ RunTime:0.000343s ]
  9. UPDATE `article` SET `lasttime` = 1790315077 WHERE `id` = 478598 [ RunTime:0.001288s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000332s ]
  11. SELECT * FROM `article` WHERE `id` < 478598 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000476s ]
  12. SELECT * FROM `article` WHERE `id` > 478598 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000475s ]
  13. SELECT * FROM `article` WHERE `id` < 478598 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000593s ]
  14. SELECT * FROM `article` WHERE `id` < 478598 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000660s ]
  15. SELECT * FROM `article` WHERE `id` < 478598 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000657s ]
0.089407s