Semantic information coding is a complex synthetic and integrative engineering, which we intitule as "modeling engineering of universal semantic codes".
语义信息编码是一项复杂的综合集成工程，我们称之为“通用语义码建模工程”。
The complexity of Geographic system determines the multi-semantic of geographic information and geographic information classification and coding is important GIS data organizations.
地理系统研究对象的复杂性决定了地理信息的多语义性，地理信息分类编码是地理信息数据组织的重要方式。
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