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双向链接（tow-waylink）

双向链接是指两个网页之间互相链接的链接关系，即一个网页上的链接指向另一个网页，另一个网页也同时链接回原网页。从搜索引擎优化的角度来看，双向链接是一种有效的链接策略，它可以在两个网站之间建立联系，提高两个网站的互联度，促进彼此的流量增长。但是，双向链接也容易被搜索引擎认为是“过度优化”，所以在使用时需要注意策略和技巧。

Public @ 2023-03-31 14:00:15

整合查找

威海seo术语威海整合查找
1016

) */ public class AVL_Tree { private static class Node { int key; int balance;// 平衡因子 int height;// 高度 Node left; Node right; Node(int k) { key = k; balance = 0; height = 1;

Public @ 2023-02-24 05:49:09

网站目录（Directory）

威海seo术语威海网站目录
1342

目录是由人为修正的查找成果，大多数目录依托的是人为提交而不是匍匐器（spider）。

Public @ 2022-05-18 15:51:44

双向链接（tow-waylink）

也被称作互相链接，是对一个网页有超文本链接，一起政策网在链接回来正本的网页。

Public @ 2019-06-24 15:51:33

双向链接（tow-waylink）

双向链接是指两个网页之间互相链接的链接关系，即一个网页上的链接指向另一个网页，另一个网页也同时链接回原网页。从搜索引擎优化的角度来看，双向链接是一种有效的链接策略，它可以在两个网站之间建立联系，提高两个网站的互联度，促进彼此的流量增长。但是，双向链接也容易被搜索引擎认为是“过度优化”，所以在使用时需要注意策略和技巧。

Public @ 2023-03-31 14:00:15

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[ DB ] CONNECT:[ UseTime:0.025414s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.017900s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.016998s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.017498s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.016850s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018252s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6584 LIMIT 1 [ RunTime:0.275787s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.017496s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.017576s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.018147s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6584 LIMIT 1 [ RunTime:0.017038s ]
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[ SQL ] update `ob_article` set views=views+2 where id=6584 [ RunTime:0.017991s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 LIMIT 1 [ RunTime:0.026932s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo术语' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.302509s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海双向链接' AND `status` <> -1 LIMIT 1 [ RunTime:0.023686s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海双向链接' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035071s ]
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