With the support of GIS, GPS and HBDS, this paper supplies a method of the shortest way, which is used in this system.

在GIS和GPS的支持下，以超图数据结构为基础，为控制台或当事人提供实时导航信息，可有效地减少路途时间。

youdao

With the support of GIS, GPS and HBDS, this paper supplies a method of the shortest way, which is used in this system.

在GIS和GPS的支持下，以超图数据结构为基础，为控制台或当事人提供实时导航信息，可有效地减少路途时间。

youdao