点对象,由特定位置、维数为零的物体;线对象,维度为一的空间组成部分;多边形对象,即面状实体,通常用封闭曲线加内点来表示。矢量模型即是基于要素的,将现象看成原型实体的集合,矢量模型的表达源于空间实体的本身,通常以坐标来定义。
...要素模型;策略选择 [gap=607]Key words:oil technology service enterprise;international petitiveness;theoretical model;strategic choices ...
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The core of this paper is the design and realization of the Region GIS based on feature model. Firstly it introduces the feature model which is one of the space data model in GIS area.
本文以区域GIS的要素模型为着眼点,介绍了空间数据模型的分类,要素模型的特点及其数学基础,设计并实现了基于要素模型的区域GIS系统。
参考来源 - 基于要素模型的区域GIS的设计与实现·2,447,543篇论文数据,部分数据来源于NoteExpress
一般均衡归宿分析常用两部门、两要素模型。
General equilibrium incidence analysis often employs a two-sector, two-factor model.
原先处于分散,无序的环境要素模型应该被有序地组织。
The non-sequence environment elements should be organized sequentially and controllability in SNE.
文章在对小企业与小企业成功标准界定的基础上,提出了小企业成功的要素模型。
This paper brought forward a essential model of small business by defining the small business and the standard of success for small business.
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