Eigenpalms based feature extraction is designed according to the rule of in-class distance and between-class distance.

基于特征手的掌纹特征提取算法是根据类内类间距离准则而设计的特征提取算法。

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In international adoption, a buffer of distance, language, culture, and class exists between the adoptive parents and the birth parents, and, to be honest, that was one of the things I liked about it.

而在跨国收养中，收养父母和生身父母之间存在着距离、语言、文化和社会阶层等等的巨大差异，老实说，这也正是我所希望的。

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The relationship between the object and the class is established through the relevance of the attribute to the fuzzy class and the semantic distance between the object and the class.

利用属性与类的相关和对象与类间的语义距离来建立对象与类的关系；利用属性与类的相关和类与子类间的语义距离来建立类与子类的关系。

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