·1二级目录(lù )泛(fàn )站主页连接 黑(hēi )帽SEO技术站群(qún )之间(jiān )做连接,底(dǐ )子(zǐ )都(dōu )是(shì )单向(xiàng )连(lián )接(jiē ),具体(tǐ )单(dān )向连(lián )接是不是查找引(yǐn )擎会当作采(cǎi )购(gòu )的连接而赏罚尚不可知,不(bú )过依据查找引擎的一(yī )些体现,好像对(duì )单向连接有必(bì )定的办法(fǎ )很明显(xiǎn )的一(yī )个比(bǐ )如是检索(suǒ )quot
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