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单词
harmonic mean
释义
harmonic mean
Statistics.
the mean obtained by taking the reciprocal of the arithmetic mean of the reciprocals of a set of nonzero numbers.
[
1880-85
]
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fwd.
FX
fx.
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F.Z.S.
Fátima
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fête champêtre
fête galante
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Führer
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G
g
G.
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更新时间:2025/11/20 21:16:43