V2EX euclidean geometry

Euclidean Geometry

释义 Definition

欧几里得几何(平面/空间的“经典几何”):以欧几里得的公理体系为基础,研究点、线、角、三角形、圆、多边形等图形性质的几何学;通常假设空间是“平直的”(不考虑弯曲空间)。此外也常与非欧几何相对。

发音 Pronunciation (IPA)

/jukldin dimtri/
(也常见:/jukldin dimtri/)

例句 Examples

Euclidean geometry is taught in most middle school math classes.
欧几里得几何在大多数中学数学课中都会教授。

In Euclidean geometry, the shortest path between two points is a straight line, but this idea changes on curved surfaces.
在欧几里得几何中,两点之间的最短路径是一条直线,但在弯曲的表面上这种想法会发生变化。

词源 Etymology

Euclidean 来自古希腊数学家 Euclid(欧几里得) 的名字,表示“与欧几里得有关的”。Geometry 源自希腊语 *geo-*(地、土地)+ -metry(测量),原意接近“测地/测量土地”,后来发展为研究空间与形状的数学分支;“欧几里得几何”则指以欧几里得《几何原本》的公理化体系为代表的传统几何。

相关词 Related Words

文学与经典作品 Literary Works

  • Euclid, Elements(《几何原本》):欧几里得几何的奠基之作,系统呈现公理、定理与证明传统。
  • Edwin A. Abbott, Flatland: A Romance of Many Dimensions(《平面国》):以文学寓言方式讨论维度与几何观念,常借助欧几里得几何作对照与引入。
  • David Hilbert, Foundations of Geometry(《几何基础》):对欧几里得几何进行更严格的公理化整理与讨论。
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