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西安石油大学《810信号与系统》考研真题及答案2009-2025年

  • 2026-09-24 19:14:21
西安石油大学《810信号与系统》考研真题及答案2009-2025年

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西安石油大学《810信号与系统》考研真题及答案2009-2025年
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真题：2009-2025年

答案：2014-2025年（部分年份答案手写）

西安石油大学《信号与系统》期末试卷16-20学年

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赖老师与一张试卷——模拟对话

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000549s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000942s ]
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  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000360s ]
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  6. SELECT * FROM `set` [ RunTime:0.000289s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000630s ]
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  9. UPDATE `article` SET `lasttime` = 1790258954 WHERE `id` = 485965 [ RunTime:0.001190s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000297s ]
  11. SELECT * FROM `article` WHERE `id` < 485965 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000552s ]
  12. SELECT * FROM `article` WHERE `id` > 485965 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000330s ]
  13. SELECT * FROM `article` WHERE `id` < 485965 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000572s ]
  14. SELECT * FROM `article` WHERE `id` < 485965 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000645s ]
  15. SELECT * FROM `article` WHERE `id` < 485965 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000540s ]
0.113049s