这些内容是决定地图图幅范围、位置，以及控制其它内容的基础。

These maps is to determine the scope of the map, location, and control the basis of other content.

youdao

为了改善数字地图图幅自动接边算法在处理大区域甚至全球范围的大数据量图幅接边时效率低的问题，提出了基于矢量id映射的“虚拼接”算法。

To improve the efficiency of automatic maps edge matching of massive digital map data of great regions even global ones, virtual stitching algorithm based on vector ID mapping is presented.

youdao

这份绘有100多张正反两页黑白地图的公路图出版于1675年，地图通过连续的线条描绘了英格兰与威尔士的主要公路及岔道。

The route atlas, published in 1675, includes 100 double pages of black and white maps laid out in continuous strips depicting the major roads and crossroads across England and Wales.

youdao