·1二级目录泛站(zhàn )主页(yè )连接 黑帽SEO技术(shù )站群(qún )之间做(zuò )连接,底子都是单向(xiàng )连接,具体单向连(lián )接是不是(shì )查找引擎会当作采购的(de )连接(jiē )而赏罚尚(shàng )不(bú )可知,不(bú )过依据查找(zhǎo )引擎的(de )一(yī )些体现(xiàn ),好(hǎo )像对(duì )单向连接(jiē )有(yǒu )必(bì )定(dìng )的办法(fǎ )很明(míng )显的(de )一(yī )个比如是检索quot
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