After building the hybrid plot-latlong and Perl-GD maps, we'll modify the background map Outlines.

在构建混合的plot - latlong和Perl - GD地图后，我们将修改背景地图轮廓。

youdao

The paper is focused the discussion on the problems of background map digitization, dialog box, polygon topology etc.

本文着重讨论底图数字化、对话窗、多边形拓扑等关键问题。

youdao

The soil erosion potential possibility can be studied using the soil background map and digital terrain map supported by GIS;

在GIS支持下，利用土壤背景和数字地形模型可实现水土流失潜在可能性分析。

youdao

In the three minutes and nine seconds of Scott Manley's YouTube video, each asteroid discovery over the past 30 years emerges as a bright shock of color on a mostly black background, a map of the earth's circulation in our solar system.

FORBES

Planck represents the third generation of attempts to map the cosmic microwave background.

CNN: Better 'baby picture' of universe emerges