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方差
fāngchā
bridg.constr.
square deviation
;
square error
hydroel.st.
variance
math.
dispersion
;
spread
telecom.
covariance
σ²
方差
fāngchā
agric., stat.
variance
方 〔偏,磁〕差
math.
variance
方差
期权
fāngchā
securit.
variance
统计
方差
fāngchā
econ.
variance
方差
是衡量源数据和期望值相差的度量值
fāngchā
expl.
variance
方差:
1424 phrases
in 56 subjects
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