V2EX micron

Micron

释义 Definition

micron(也写作 micrometre / micrometer):微米,长度单位,等于 10 米(一百万分之一米),常用于描述细胞、细菌、粉尘颗粒、纤维直径、微加工精度等微小尺度。

发音 Pronunciation (IPA)

/makrn/(英)
/makrn/(美)

例句 Examples

A human hair is about 70 microns thick.
人的头发直径大约有 70 微米。

The engineer specified a tolerance of 5 microns to ensure the lens would focus correctly under high magnification.
工程师规定了 5 微米的公差,以确保镜片在高倍放大下能正确对焦。

词源 Etymology

micron 来自希腊语 mikros(“小的”)相关的构词传统,用来表示“极小的尺度”。在科学与工程语境中,它长期作为“微米”的常用名称;现代标准计量体系更常用 micrometre / micrometer(m) 这一形式,但 micron 在材料、颗粒与显微领域仍很常见。

相关词 Related Words

文学与著名作品 Notable Works

  • Primo Levi《The Periodic Table》(《元素周期表》):书中在谈论化学、材料与微观结构时会使用到以“微米/微观尺度”为核心的度量与描述语汇,micron 常见于此类英文科学叙述中。
  • Richard Feynman《Surely You’re Joking, Mr. Feynman!》(《别闹了,费曼先生!》):涉及实验、仪器与尺度概念的章节中常出现对微小尺寸(包括微米级)的讨论与表达。
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