·1二级目(mù )录泛站主页连(lián )接 黑帽SEO技术站群之间做(zuò )连(lián )接,底子都是单向(xiàng )连(lián )接,具体单向(xiàng )连接是(shì )不(bú )是(shì )查找引(yǐn )擎(qíng )会(huì )当作采购的连接(jiē )而(ér )赏罚(fá )尚不(bú )可知,不过(guò )依据查(chá )找(zhǎo )引(yǐn )擎的一些体现,好(hǎo )像对(duì )单向(xiàng )连(lián )接(jiē )有必定的办(bàn )法很明显的一个比如(rú )是检索quot
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