V2EX isotropy

Isotropy

释义 Definition

各向同性:指某种材料、介质或空间在所有方向上的性质相同(或近似相同),不随方向改变。常见于物理学、材料科学、数学与地球科学等语境。(也有更专门的含义,如统计学/宇宙学中的“各向同性假设”。)

发音 Pronunciation

/a.strp.i/

例句 Examples

Isotropy means the material behaves the same in every direction.
各向同性意味着这种材料在各个方向上的表现都相同。

Assuming isotropy can simplify the model, but it may hide directional effects in real-world data.
假设各向同性可以简化模型,但它可能会掩盖真实数据中的方向性差异。

词源 Etymology

来自希腊语构词:iso- 表示“相同”,**-trop-** 与“转向、方向(turning)”有关,**-y** 构成名词。合起来字面意思接近“方向相同的性质”,即“各个方向都一样”。

相关词 Related Words

文学作品用例 Literary Works

  • Stephen Hawking, A Brief History of Time(《时间简史》)在讨论宇宙学原理时常提到“各向同性/各向同性假设”。
  • Roger Penrose, The Road to Reality(《通向实在之路》)在物理与几何语境中讨论对称性与各向同性等概念。
  • James D. Watson, Molecular Biology of the Gene(《基因的分子生物学》)等科学教材类著作在材料/结构性质讨论中可见与各向同性相关的用法。
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