地图制作的技术被称为地图学。

The art of map making is called cartography.

制图综合是地图学的一个核心和难点问题。

The new challenge is just what cartography generalization now confronts with in digital environment.

地图模型论是理论地图学研究中提出的一个重要理论。

The theory of map model is an important theory to be proposed by studies in theoretical cartography.