主要差别在于 parse() 方法的变种不接受 SAX DefaultHandler 类的实例。

The major difference is that variations of the parse() method do not take an instance of the SAX DefaultHandler class.

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基于划分的聚类算法主要有K均值和K中心点算法，其他的方法都是这两种算法的变种。

The clustering method based on partitioning is mainly included K-Means and K-Medoids; the other methods are the mutation of these two methods.

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H5N1变种主要是发病于鸟类中的一种疾病，但专家担心，它可能会发生变异，可能会传给人类。

The H5N1 strain remains largely a disease among birds but experts fear it could change into a form that is easily transmitted among people.

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