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词汇 femto-
释义

Definition of femto- in English:

femto-

combining formˈfɛmtəʊ
  • (used in units of measurement) denoting a factor of 10⁻¹⁵

    用于度量单位表示"10-15",“毫微微”,“千万亿分之一”

    femtosecond

Origin

From Danish or Norwegian femten 'fifteen'.

Definition of femto- in US English:

femto-

combining formˈfɛmtoʊ
  • (used in units of measurement) denoting a factor of 10⁻¹⁵

    用于度量单位表示"10-15",“毫微微”,“千万亿分之一”

    femtosecond

Origin

From Danish or Norwegian femten ‘fifteen’.

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