V2EX proportional

Proportional

释义 Definition

“proportional” 表示“成比例的;相称的;按比例分配的”。常用于描述两个量的关系(一个变化时另一个按固定比率变化),或指回报/惩罚/资源分配与某种因素“相匹配”。

发音 Pronunciation (IPA)

/prprnl/

例句 Examples

The pay is proportional to the hours you work.
薪水与工作时长成正比。

In a well-designed policy, the penalty should be proportional to the harm caused, so that similar cases receive similar treatment.
在设计良好的政策中,处罚应与造成的损害相称,从而使类似案件得到类似对待。

词源 Etymology

源自拉丁语 proportionalis,与 proportio(比例、比率)有关,核心含义是“按比例/按相称关系来衡量”。进入英语后,逐渐固定为描述“比例关系”或“相称程度”的形容词。

相关词 Related Words

文学与典籍 Literary Works

  • Euclid’s Elements(《几何原本》英译本):讨论几何与数的“比例/成比例”关系时常用该词。
  • Isaac Newton, Philosophi Naturalis Principia Mathematica(《自然哲学的数学原理》英译本):表述物理量之间依规律“成比例变化”的关系时常见。
  • John Stuart Mill, A System of Logic(《逻辑体系》):在论证与比较推理强度、证据与结论“相称”时常用相关表达。
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