国内价格一般应为国内市场上占主导地位的具有代表性的批发价格，或如果不能获得充分数据，则应为该价格的估计值。
The internal price shall generally be a representative wholesale price ruling in the domestic market or an estimate of that price where adequate data is not available.
该方法既能反映不同类别页面重复方式的差异，又能充分考虑语义信息，提取的特征粒度大小适中，计算复杂度低且具有代表性；
The obtained features have an appropriate size, a low computational complexity as well as a good representation. 2. This paper presents a WAP oriented duplicate data detection method.
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