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femtometre

/ˈfɛm.təʊˌmiː.tə/

翻译: 公制长度单位,等于一千万亿分之一米(10^-15米),常用于物理学中测量原子和亚原子尺度的距离。

1 个条目

noun

/ˈfɛm.təʊˌmiː.tə/C1formalbritishscientific
  • zh公制长度单位,等于一千万亿分之一米(10^-15米),常用于物理学中测量原子和亚原子尺度的距离。

A unit of measurement in the metric system equal to one quadrillionth of a meter, often used in physics to measure atomic and subatomic distances.

  1. C2formalscientific

    A metric unit of length equal to 10^-15 meters, or one quadrillionth of a meter.

    zh飞米

    • The radius of a proton is approximately 0.84 femtometres.
    • Nuclear physicists often measure distances in femtometres.
    • The wavelength of certain gamma rays is measured in femtometres.

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