This paper describes an computer algorithm for contour map plotting.

本文给出绘制等值线图的一种计算机算法。

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This paper explains the technique and method of MAPGIS in plotting geological map, and proposes some measures for improving further the quality of map plotting.

本文主要叙述MAPGIS在地学制图上的技术和方法，同时，提出进一步提高地学图制图质量的措施和途径。

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Similar to the plotting of the world map above, the succeeding command plots large blue ellipses on the state shaded map, while recording the respective pixel coordinates in the image.

类似于标绘上面的世界地图，后续命令将在州渐变地图中标绘大型蓝色椭圆形，同时在图像中记录各自的像素坐标。

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Another smartphone application, Influ, launched earlier this year in the US, asks users to rate the strength of their symptoms on a red dial, before plotting their position on the map so that other app users can avoid them.

BBC: Can crowdsourcing beat the flu?