V2EX perturbation

Perturbation

释义 Definition

perturbation:扰动;干扰;(尤指系统、情绪或过程的)波动与偏离常态的变化。(也可指使人不安/焦虑的“心绪不宁”,但此处以最常见的“扰动/波动”义为主。)

发音 Pronunciation (IPA)

/pr.trbe.n/

例句 Examples

A small perturbation can change the outcome.
一个小小的扰动就可能改变结果。

Economic shocks and political uncertainty caused perturbations in the market that lasted for months.
经济冲击与政治不确定性引发了市场波动,并持续了数月之久。

词源 Etymology

来自拉丁语 perturbare,由 **per-**(加强语气,表示“完全、彻底”)+ turbare(搅动、使混乱;与 turbid “浑浊的”、turbulence “动荡”同源)构成,原义有“把事物彻底搅乱”的含义,后来引申为“扰动、波动”。

相关词 Related Words

文学作品 Literary Works

  • On the Origin of Species Charles Darwin(科学写作中常见,用于描述环境变化对系统的“扰动/影响”。)
  • The Principles of Quantum Mechanics P. A. M. Dirac(物理学语境中常见,尤其在“微扰/扰动”相关讨论里。)
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