V2EX function

Function

释义 Definition

function(名词)常指“功能;作用;职能;(数学中的)函数”;也可指“正式活动/仪式”。(动词)可表示“起作用;正常运转”。这里以最常用的“功能/作用”与“函数”义为主。

发音 Pronunciation (IPA)

/fkn/

例句 Examples

The function of this button is to save your work.
这个按钮的功能是保存你的工作。

In mathematics, a function maps each input to exactly one output, which helps model real-world relationships.
在数学中,函数把每个输入对应到唯一的输出,这有助于对现实世界的关系进行建模。

词源 Etymology

来自拉丁语 functio(“履行、执行;作用”),源自 fungi(“执行、履行”)。因此它最初强调“履行的职能/起到的作用”,后来扩展到“功能”“职责”,并在数学中固定为“函数”。

相关词 Related Words

文学作品 Literary Works

  • Mary Shelley Frankenstein(常见于“bodily functions / vital functions”等表达,谈及生命机能)
  • Charles Darwin On the Origin of Species(常见于“function of an organ”等讨论,描述器官功能)
  • Lewis Carroll Alice’s Adventures in Wonderland(数学/逻辑语境中常见“function”等词的科普式出现,取决于版本与注释文本)
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