V2EX cgs

CGS

释义 Definition

CGS 指“厘米克秒制”(centimetergramsecond system),是一套以厘米(cm)、克(g)、秒(s)为基本单位的单位制,常见于早期物理学与电磁学文献中。现代科学与工程更常用 SI(国际单位制),但在某些领域(如部分理论物理、天体物理文献)仍会见到 CGS 单位(如 dyne 达因erg 尔格gauss 高斯)。

发音 Pronunciation

/si di s/

例句 Examples

CGS units are still used in some older physics papers.
CGS 单位在一些较早的物理论文中仍然会用到。

The paper reports the magnetic field in gauss, which suggests the authors are working in the CGS system rather than SI.
论文用高斯来报告磁场强度,这表明作者使用的是 CGS 制而不是国际单位制(SI)。

词源 Etymology

CGS 是由 centimeter(厘米)+ gram(克)+ second(秒) 三个基本单位的首字母缩写而来。它在 19 世纪的科学研究中较为常见,后来随着国际单位制(SI)的推广而逐渐减少使用,但在某些专业语境里仍保留。

相关词 Related Words

  • SI
  • Metric
  • MKS
  • Dyne
  • Erg
  • Gauss
  • Tesla
  • 文学与著作 Literary Works

    • The Feynman Lectures on Physics(《费曼物理学讲义》)在讨论单位与电磁学内容时会提及 CGS 与 SI 的差异。
    • Introduction to Electrodynamics by David J. Griffiths(《电动力学导论》)电磁学章节中常对 CGS(尤其是高斯制)与 SI 作比较说明。
    • Classical Electrodynamics by J. D. Jackson(《经典电动力学》)高阶电磁学文本中经常出现 CGS(Gaussian cgs)与 SI 的换算与并用。
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