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三角函数与解三角形讲义

  • 2026-04-20 06:55:05
三角函数与解三角形讲义

三角函数与解三角形

经提醒发现漏发了三角函数与解三角形的讲义

在这里补一下盘

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  1. CONNECT:[ UseTime:0.000695s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000876s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000427s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000314s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000542s ]
  6. SELECT * FROM `set` [ RunTime:0.000236s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000560s ]
  8. SELECT * FROM `article` WHERE `id` = 457923 LIMIT 1 [ RunTime:0.003609s ]
  9. UPDATE `article` SET `lasttime` = 1777640325 WHERE `id` = 457923 [ RunTime:0.007468s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000321s ]
  11. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000506s ]
  12. SELECT * FROM `article` WHERE `id` > 457923 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000781s ]
  13. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001257s ]
  14. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003018s ]
  15. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009460s ]
0.113098s