·1二级目(mù )录泛站(zhàn )主页(yè )连接 黑(hēi )帽SEO技术站群之间做连接,底子都是单向连接,具(jù )体单向(xiàng )连(lián )接(jiē )是(shì )不是查找引擎会当作采购的连接而(ér )赏(shǎng )罚(fá )尚不可知,不(bú )过(guò )依(yī )据(jù )查找引(yǐn )擎的一些(xiē )体(tǐ )现(xiàn ),好像(xiàng )对(duì )单向连(lián )接有必定的办法很明(míng )显(xiǎn )的一个比如(rú )是(shì )检索quot
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