·1二级(jí )目录(lù )泛站主(zhǔ )页连接 黑帽(mào )SEO技术站(zhàn )群(qún )之间做(zuò )连接,底子都(dōu )是单(dān )向(xiàng )连(lián )接(jiē ),具体单(dān )向连接是不(bú )是查找引(yǐn )擎会(huì )当(dāng )作采(cǎi )购的连(lián )接而(ér )赏罚尚不可知(zhī ),不过依据查找(zhǎo )引(yǐn )擎的一些体现(xiàn ),好像对单向连接有必(bì )定的办法很明显(xiǎn )的一个比(bǐ )如(rú )是检索(suǒ )quot
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