V2EX isoline

Isoline

释义 Definition

等值线:在地图或图表上连接“数值相同”的点的线,用来表示某个量(如气压、温度、海拔、降雨量、污染浓度等)的空间分布。(在不同领域也常见更具体的名称,如 contour line 等高线、isobar 等压线。)

例句 Examples

The map shows isolines of temperature.
这张地图显示了温度的等值线。

By overlaying isolines of rainfall and elevation, the researchers identified regions where heavy precipitation coincides with steep terrain.
研究人员将降雨量等值线与海拔等值线叠加,从而识别出强降水与陡峭地形重合的区域。

发音 Pronunciation (IPA)

/aslan/

词源 Etymology

isoline 由 **iso-**(“相同、等同”,源自希腊语 isos)+ line(“线”)构成,字面意思就是“连接相同数值的线”。该词常用于地理制图、气象学与数据可视化语境。

相关词 Related Words

文学与著作中的用例 Literary Works

  • John P. Snyder, Flattening the Earth: Two Thousand Years of Map Projections(地图学史与制图表达中常讨论等值线类表现方法)
  • Michael F. Goodchild et al., Geographic Information Systems and Science(GIS 中关于连续表面与等值线/等值带表达的讨论)
  • World Meteorological Organization (WMO) 技术指南与教材(气象分析图中等压线、等温线等“等值线”体系的标准表达与应用)
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