Electronic map is a new kind of map product. There is no uniform criterion and standard for its making. Therefore, it is necessary to study the laws and rules of electronic map design and production.
电子地图是一种新兴的地图产品，它的制作还没有统一的规范和标准，因此，有必要去研究电子地图设计生产中的一些法则性问题。
Aiming at the requirements of different users, it divided the 3d electronic map system into design system and browse system, and detailedly discussed the overall structure of 3d electronic map system.
针对不同用户对象的需求，将3维电子地图系统具体划分为设计系统和浏览系统两部分，并在此基础之上详细阐述了3维电子地图系统的总体结构。
This paper is considered with several kinds of urban multi-media electronic map, try to discuss and generalize the framework design of urban multi-media electronic map.
结合各种类型的城市多媒体电子地图(集)，试图对城市多媒体电子地图的内容的设计做粗浅的概括和探讨。
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