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三角函数与解三角形讲义

  • 2026-10-20 05:00:25
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:0.000530s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000616s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000386s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000414s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000558s ]
  6. SELECT * FROM `set` [ RunTime:0.000312s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000644s ]
  8. SELECT * FROM `article` WHERE `id` = 457923 LIMIT 1 [ RunTime:0.000322s ]
  9. UPDATE `article` SET `lasttime` = 1794193404 WHERE `id` = 457923 [ RunTime:0.001068s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000318s ]
  11. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000360s ]
  12. SELECT * FROM `article` WHERE `id` > 457923 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000396s ]
  13. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000652s ]
  14. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000589s ]
  15. SELECT * FROM `article` WHERE `id` < 457923 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000550s ]
0.089283s