地图数学基础

按地理单元建立地图数学基础的方法

To establish the method of map mathematical foundation based on the geographical unit

地图数学基础计算软件的开发

Developing the Computation Software for Cartographic Mathematical Basis

世界各个国家（地区）的地图数学基础纷繁复杂、类型众多。

There are complex and different types of map mathematics basic all over the world .

地图数学基础是地图科学性和精确性的重要体现，是地理信息空间基准的重要内容。

The map mathematics basic is the important embodiment of map science and accuracy , and is the important content of geography information space reference .

地图数学基础主要涉及大地坐标系统、地图投影系统、陆地高程基准、海洋深度基准以及与之相关的地图分幅、编号、分带等多种因素。

The map mathematics basic refers to geodetic coordinate system , map projection system , altitude datum , depth system and map subdivision , number , zone dividing which are related .

数字地图制图数学基础的自动建立与图廓整饰

Automatic setting of mathematic features and drawing margins in digital mapping

从城市地图的数学基础、城市地图的内容和功能、城市地图的图形语言、城市地图的绘制等四个方面论述了现代城市地图与传统城市地图的联系及其发展。

This article explains the ties and the development tendency of the modern city map with the traditional city map from city map 's basic mathematics , content , function , figure language and map drawing .

地图数字化的数学基础及在世界地图数字化中的应用

The Theoretical Foundation of Map Digitization and Its Application in World Map Digitization

显然，志书地图薄弱的数学基础，是影响它成为中国古代地图发展主流的致命点。

Due to the lack of mathematical basis , they became less important in the development of ancient Chinese maps .