V2EX nonconservative

Nonconservative

释义 Definition

nonconservative(形容词)非保守的;不保守的。常见两类用法:

  1. 政治/观念:不倾向保守立场,较开放或倾向改革。
  2. 物理/工程:指非保守(力/系统),例如“非保守力”会使机械能不守恒(如摩擦力)。

发音 Pronunciation

/nn.kns.v.tv/

例句 Examples

The committee took a nonconservative approach to the problem.
委员会对这个问题采取了不保守的做法。

In a real engine, friction and air resistance are nonconservative effects that reduce the system’s mechanical energy over time.
在真实的发动机中,摩擦和空气阻力属于非保守效应,会随着时间推移降低系统的机械能。

词源 Etymology

由前缀 non-(“不、非”)+ conservative(“保守的”)构成。conservative 源自拉丁语 conservare(“保存、维持”),因此 nonconservative 字面意思就是“不维持现状为主的”,在物理语境里则引申为“不满足保守条件(如能量不守恒)的”。

相关词 Related Words

文学与著作 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》):讨论摩擦等nonconservative forces(非保守力)相关概念时常会用到该词。
  • Herbert Goldstein, Classical Mechanics(《经典力学》):在拉格朗日/哈密顿框架下处理非保守力时使用 nonconservative
  • Hugh D. Young & Roger A. Freedman, University Physics(《大学物理》):能量与功章节常见 “nonconservative forces” 表述。
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