·1二级目录(lù )泛站主页连(lián )接 黑帽(mào )SEO技术站群之间做连接,底子(zǐ )都是(shì )单向连(lián )接,具(jù )体(tǐ )单向(xiàng )连接是不(bú )是查找引(yǐn )擎会当作采(cǎi )购的连(lián )接而赏罚(fá )尚(shàng )不可知,不过(guò )依(yī )据(jù )查找(zhǎo )引擎的一些体现(xiàn ),好像对单(dān )向连接有必(bì )定的办法很明(míng )显(xiǎn )的一(yī )个比(bǐ )如是(shì )检索quot
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