V2EX scale-invariant

Scale-invariant

Definition / 释义

scale-invariant(尺度不变的):指某种规律、结构或统计性质在不同尺度(放大或缩小)下保持相同或相似的形式;常见于分形幂律分布临界现象复杂网络等领域。(在不同语境中也可引申为“与尺度无关”的性质。)

Pronunciation / 发音

/skel nvrint/

Examples / 例句

A coastline can look scale-invariant: it stays jagged whether you zoom in or out.
海岸线看起来可能是尺度不变的:无论放大还是缩小,它都同样呈现锯齿状。

Near the critical point, the system shows scale-invariant fluctuations described by power laws.
在临界点附近,系统会出现可用幂律描述的尺度不变涨落。

Etymology / 词源

scale(尺度、规模) + invariant(不变的) 构成。Invariant 源自拉丁语 **in-**(不)+ variāre(变化),字面意思是“不会变化的”。组合后强调“改变观察尺度也不改变其性质”。

Related Words / 相关词

Literary Works / 文学作品

  • Benot B. Mandelbrot, The Fractal Geometry of Nature(讨论分形与尺度不变性)
  • Philip Ball, Critical Mass: How One Thing Leads to Another(涉及临界现象与尺度不变)
  • Mark Newman, Networks: An Introduction(讨论网络中的尺度不变/幂律特征)
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