断层的概念、断层几何要素。
形状误差是表征零件形状的重要几何要素。
Error of shape is one of important geometry element that describes error of parts.
背斜和向斜、褶皱的几何要素、褶皱的描述和褶皱的野外描述。
Anticline and syncline, geometrical elements of fold, description and recognition of fold in the field.
用圆弧投射法解决圆锥曲线与其它空间几何要素的相互位置问题，可使作图更为简练、精确。
By using circular arc project, the relative positions of the conic curves and other spatial geometrical elements can be solved for simplified and precise drawings.
分析了几何证明与初等几何变换的要素及其关联。
This paper analyse the elements and linkage of geometrical proof and elementary geometric transformation.
基于构造地质学中断层、褶皱的几何形态及描述要素，总结出在地质剖面图上反映断层、褶皱的方法。
The method to show fold and fault on the section is proposed on the basis of the geometrical shape and description elements of fold and fault.
实验表明，该模型不仅可行，而且高效，并保持了空间要素和要素之间的几何拓扑一致性。
The experiments showed that the model can work efficiently and practically, and keep the topological insistency of the vector spatial data.
一个简单的几何图形，一个单纯的构造要素，通过重复位移、变形等手段，尝试造型的可能性，这是我们开始所确立的目标。
A simple geometry, a simple structural elements, by repeating the displacement, deformation and other means to try to shape the possibility of form, This is the goal what we began to established.
本文探讨了地理空间要素多尺度表达在几何层次、实体层次、属性层次方面的多尺度表现特征。
The hierarchical characteristics in multi-representations for geographical features were explored, namely multi-geometries hierarchy, multi-entities hierarchy and multi-attributes hierarchy.
在分析了线性参照系统概念模型的基础上，对其中两个关键问题进行了研究，即基于道路几何特征的线性参照基准模型和基于道路曲线要素的动态分段模型。
In this paper, a linear referencing system based on road line-shape is presented in order to reduce spatial data redundancy and protect road event from going out of road range.
在分析了线性参照系统概念模型的基础上，对其中两个关键问题进行了研究，即基于道路几何特征的线性参照基准模型和基于道路曲线要素的动态分段模型。
In this paper, a linear referencing system based on road line-shape is presented in order to reduce spatial data redundancy and protect road event from going out of road range.
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