V2EX approximation

Approximation

释义 Definition

“Approximation” 指“近似值、估算”,即在无法或不需要得到精确数值时,用一个“足够接近”的数或说法来代替;也可指“近似的说法/描述”。(该词在数学、科学、日常估计中很常见。)

发音 Pronunciation (IPA)

/prk.sme.n/

例句 Examples

This chart gives an approximation of the population size.
这张图表给出了人口规模的估算。

Her explanation was only an approximation of what really happened, shaped by memory and emotion.
她的解释只是对真实发生之事的近似描述,受记忆与情绪的影响。

词源 Etymology

来自拉丁语 approximare(“靠近、接近”),由 *ad-*(“向、朝着”)+ proximus(“最近的”)构成,后演变为表示“接近但不完全精确”的“近似、估算”。

相关词 Related Words

文学作品 Literary Works

  • A Brief History of Time(Stephen Hawking):讨论物理与宇宙学时常提到用近似方法处理复杂问题。
  • The Origin of Species(Charles Darwin):在论证与比较数据时,常使用估算与近似表达来说明趋势与差异。
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