V2EX elasticity

Elasticity

定义 Definition

名词 (n.) 弹性;弹力;灵活性。指物体受力后能恢复原状的性质,也可引申为事物的适应性和灵活程度。

发音 Pronunciation

/i.lsts..ti/

例句 Examples

The rubber band has great elasticity.
这根橡皮筋弹性很好。

The elasticity of the labor market allows workers to move between industries in response to changing economic conditions.
劳动力市场的弹性使工人能够根据不断变化的经济状况在不同行业之间流动。

词源 Etymology

该词源自新拉丁语 elasticus,最早可追溯到希腊语 elastos,意为"可延展的、可驱动的",由动词 elaunein(驱动、推动)派生而来。17世纪时,科学家们开始用 elasticity 来描述物体受力变形后恢复原状的物理特性。后来词义从物理学领域逐渐扩展到经济学和日常用语中,表示"灵活性"和"适应能力"。

相关词汇 Related Words

文学与著名作品引用 Literary References

  • 阿尔弗雷德马歇尔(Alfred Marshall)在经济学经典著作《经济学原理》(Principles of Economics, 1890)中系统地提出了"需求弹性"(elasticity of demand)的概念,使这个词成为经济学核心术语之一。
  • 罗伯特胡克(Robert Hooke)在其物理学研究中探讨了材料的 elasticity,奠定了弹性力学的基础,其著名的胡克定律(Hooke's Law, 1678)正是对弹性现象的数学描述。
  • 在赫伯特斯宾塞(Herbert Spencer)的社会学著作中,elasticity 被用来比喻社会结构的适应性与恢复能力。
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