Research and design the organization of multi-representation spatial database, adaptive visualization of spatial data, and realize a prototype system.
研究并设计多重表达空间数据库的组织方式和空间数据的自适应可视化，并实现一个原型系统。
By contrast, when applications of XML are considered, there is much more scope for collapsing multi-tag structures into a shorter representation.
相反，当考虑XML应用程序时，把多标签结构压缩成较短的表示则有很大的适合范围。
As a result of linear composition of words and the multi-dimensional representation of semantics, a syntactic structure has two kinds of grammatical relations: the overt and the covert.
词语线形组合的一维性和语义表达的多维性致使一个句法结构内部总是同时并存着两种语法关系：显性语法关系和隐性语法关系。
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