V2EX locus

Locus

释义 Definition

locus(名词)指地点/位置;在数学中常指轨迹(满足某条件的一组点);在遗传学中指基因座(基因在染色体上的位置)。(该词还有其他专业用法,但以上最常见。)

发音 Pronunciation

/loks/

例句 Examples

The meeting will take place at a secret locus.
会议将在一个秘密地点举行。

In geometry, the circle is the locus of points at a fixed distance from the center.
在几何学中,圆是到圆心距离恒定的点的轨迹。

词源 Etymology

来自拉丁语 locus,意为“地方、位置”。后来在学术语境中被借用并扩展:在数学里表示“点的集合/轨迹”,在遗传学里表示“基因所在的位置(基因座)”。

相关词 Related Words

文学作品 Examples in Literature

  • Aristotle, _Categories_(《范畴篇》):常以“place/位置”的哲学讨论为背景,相关英语译本与注释中会出现 locus 用于指称“位置/处所”概念。
  • Euclid, _Elements_(《几何原本》):在后世英文评注与数学写作中,谈到几何作图与“轨迹”思想时常用 locus 概括某类点集。
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