Based on the analysis of the deficiency of the traditional vector space retrieval model, the file structure based vector space retrieval model is presented.
分析了传统向量空间检索模型在网络信息检索中的不足，给出了基于文档结构的向量空间检索模型。
This paper based the analysis of the traditional multi-dimensional data model, used the tools include arrangement structure in space, multi-dimensional in space to express the model.
该文在对传统的多维数据模型进行综合分析的基础之上，利用了包括空间概念的层次分类结构、空间多维向量等工具来表示模型。
The seismic response analysis model of thin wall space aqueduct with fluid-structure coupling is established.
建立了考虑槽身和槽内水体流固耦合的渡槽薄壁结构梁段有限元动力分析模型。
应用推荐