V2EX exogenous

Exogenous

释义 Definition

exogenous(形容词):外生的;外源性的。指某因素或影响来自系统、机体或模型之外(如经济学中的“外生变量”、医学中的“外源性激素”)。也可有其他较少见用法,但最常见的是“外部来源的”。

例句 Examples

Exogenous factors like weather can affect crop yields.
外生因素(如天气)会影响农作物产量。

In the model, inflation is treated as an exogenous shock rather than something generated internally.
在该模型中,通货膨胀被视为外生冲击,而不是由系统内部产生的结果。

发音 Pronunciation

/ksdns/

词源 Etymology

来自希腊语构词:**exo-**(外部、在外)+ -genous(产生的、起源于……的,源自 gen- “产生、出生”)。字面意思就是“从外部产生/起源的”。

相关词 Related Words

文学与经典用例 Literary & Notable Usage

该词更常见于学术与科普类经典著作(而非小说),尤其在经济学、计量经济学、医学与生物学语境中,例如常用于下列作品/类型中:

  • Macroeconomics(N. Gregory Mankiw):讨论“外生变量/外生冲击”等宏观模型设定
  • Econometric Analysis(William H. Greene):在模型设定与变量分类中常见(如外生性假设)
  • Molecular Biology of the Cell(Alberts 等):涉及“外源性(exogenous)”物质、基因或刺激的描述
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