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。
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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