contour map造句

1、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。

2、A contour map that displays the variation in time between two seismic events or reflections.
一个等高线图，显示了两个地震同相轴或反射层之间的时间变化。

3、The methods to obtain the Digital Terrain Model from contour map by scan digitizing were studied.
本文还研究了通过扫描数字化等高线图建立数字地形模型的方法。