小比例尺图

二是介绍了对小比例尺图（如1：20万）等高线高程属性值的快速检查方法。

Other is to introduce the celerity check method of contour height attribute for small scale map .

在实际工作中，常常需要把大比例尺AutoCAD数据格式的数字化地形图缩编为小比例尺地形图。

In practice , it is very often to reduce and edit a large-scale map of AutoCAD format data to a small one .

MC像片的判读效果优于MSS图像，可以满足中、小比例尺编图的要求，对中比例尺野外地质调查能起到很好的作用。

The effects of interpretation of MC imagas excells that of the MSS images and can meet the needs of mapping standards at middle scale .

新疆小比例尺地理图地图投影的选择

Choice Projection of the Small Scale Geographic Map of Xinjiang

中、小比例尺地形图平面位置精度分析

The Analysis of Planimetric Accuracy for Topographic Map Series at Medium and Small Scales

传统的机场建设方法是首先在小比例尺地形图上选择几种可行方案，通过实地踏勘确定最佳区域。

Traditional construction methods firstly in the small scale topographic map , choose several feasible options , through field reconnaissance to confirm the optimize region .

实验表明，架设GPS基准站可以明显提高POS系统定位的高程精度，无地面基准站的POS系统定位结果可满足1∶50000小比例尺航测成图的精度要求。

The experiment results have verified that the setup of GPS base station can significantly improve height accuracy of positioning by POS. POS Positioning without GPS base station can meet the specification of topographic mapping at small scale under 1 ∶ 50 000 .

大比例尺数字地形图如何转换成小比例尺数字地形图

How to Convert the Large Scale Digital Relief Map to the Small One

目标空间数据库中存储有小比例尺二维目标图、目标属性数据以及多媒体数据、大比例尺目标三维视景数据等多种类型数据。

The object spatial database stores the small-scale 2D object graph , object attribute data and multi-media data , large-scale object 3D data and so on .