1. 

   seochen123 New Member

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   这是另一个很重要的需要你检测的因子。一般来讲3-7%是最好的，1-2%就太少了。如果超过10%就有点危险了，可能被搜索引擎认为是在作弊，所以一定要小心。

    

   #1 seochen123, Oct 28, 2010
2. 

   ttlove New Member

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   这个具体数据 要看具体情况而定吧... ...

    

   #2 ttlove, Oct 28, 2010
3. 

   luckch New Member

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   哦i要小心，小心被吃了

    

   #3 luckch, Oct 28, 2010

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