It is the classification for the Quaternary stratigraphies of Hebei Plain study to build a platform for the aquifer structure model of the North China Plain .
该文是在以往研究基础上对河北平原第四纪地层划分的一次探讨，其成果为建立华北平原含水层结构模型搭建了平台。
On the basis of analyzing and utilizing the existent classification planning model, the thesis describes its abstract mathematic structure and builds an optimization model for BCT scheduling.
在分析和借鉴已有编组计划模型的基础上，系统的描述了模型的抽象数学结构，构建了班列开行方案的优化模型。
Also this paper discusses the classification of the designed structure model of underground mines.
论文对地下矿山构建筑物模型进行分类研究。
This model has a flexible coding structure and its coding methods can be used to solve all kinds of problems in information classification and coding.
采用此模型的编码方法可解决各类信息的分类编码编制问题。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
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