According to the classification definition standard of soil selenium amount put forward by Li Jiaxi, it is confirmed that there exists selenium-rich soil in Zhejiang.

依据李家熙的土壤硒含量的分类定义标准，可以确认浙江存在富硒土壤。

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Variant serializations of RDF models are legion, and a DITA map that's specialized for subject definition and classification could be regarded as an alternative serialization of a SKOS model.

rdf模型有很多不同的序列化方式，专门针对主题定义和分类的dita图可以当作SKOS模型的一种序列化方式。

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The definition was changed in 1997 by the American Diabetes Association and WHO Expert Committee on the Diagnosis and Classification of Diabetes Mellitus.

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