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单词 degree of freedom
释义

WordReference Random House Unabridged Dictionary of American English © 2024
degree of freedom, 
    1. Statisticsany of the statistically independent values of a sample that are used to determine a property of the sample, as the mean or variance.
    2. Statistics, Chemistry[Physical Chem.]any of the independent variables required to specify the energy of a molecule or atom.
    • 1900–05

Collins Concise English Dictionary © HarperCollins Publishers::
degree of freedom n
  1. one of the independent components of motion (translation, vibration, and rotation) of an atom or molecule
  2. one of a number of intensive properties that can be independently varied without changing the number of phases in a system
    See also phase rule
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