V2EX contour line

Contour Line

释义 Definition

等高线:在地图(尤其是地形图)上连接海拔高度相同各点的一条线,用来表示地形起伏;线越密集通常表示坡度越陡。(在其他领域也有“等值线”的用法,如气象图、统计图等。)

发音 Pronunciation

/kn.tr lan/

例句 Examples

The contour lines on this map are very close together.
这张地图上的等高线非常密集。

By reading the contour lines, the hikers could tell where the ridge steepened and chose a safer route along the gentler slope.
通过观察等高线,徒步者判断出山脊在哪些地方变得更陡,于是选择沿较缓的坡面走一条更安全的路线。

词源 Etymology

contour 来自法语 contour(“轮廓、外形”),与意大利语 contorno(“边缘、外轮廓”)相关,强调“外形的线条”;line 来自古英语 līn,进一步追溯到拉丁语 linea(“线、线条”)。合起来 contour line 字面意思就是“表示外形(地形)轮廓的线”,在测绘中专指“等高线”。

相关词 Related Words

文学与作品 Literary Works

  • Elements of Cartography(Arthur H. Robinson 等):经典制图学著作,讨论地形图表达与等高线的绘制与解读。
  • Map Use: Reading, Analysis, Interpretation(A. Jon Kimerling 等):地图阅读与分析教材,常以等高线作为地形判读的核心内容。
  • A Walk in the Woods(Bill Bryson,《林中漫步》):涉及野外行走与地图使用的叙述中常会提到地形图要素(包括等高线)的阅读。
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