map sheet meaning in English

地图图幅

In topographic maps , contour lines are the most important features to characterize three - dimensional terrain on two - dimensional map sheets , so its vectorization is in urgent
而在地形图中大量的等高线被用于描述三维地形信息,其矢量化工作更为紧迫,并且它也是生成dem数据的一种有效方法。
( 5 ) designing the method combining automatic seaming with interactive seaming to remove the seaming error between the map sheets ; providing many editing tools for all the errors having been found
( 5 )设计了自动拼接和人机交互接边相结合的方法解决图幅间的接边误差。对所有查出的错误，系统提供了较丰富的编辑修改工具。
In the tour information system vector chart and the traditional ordinary traveling map compares , the main superiority lies in : not having the map sheet limit ; the current situation good ; manifestation diversification
旅游信息系统中的矢量化图与传统纸质普通旅游地图相比,主要优势在于:无图幅限制;现势性好;表现形式多样化。