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单词
second moment
释义
second moment
[?sek?nd ?m?um?nt]
释义
二次矩,二阶矩
英英释义
Noun
1. the expected value of the square of the deviations of a random variable from the point of origin
随便看
insow
Insozalin
Insp
Insp.
InsP3-R
InsP4-PP
InsP5-PP
in space
in-space
inspace
in spadefuls
in spades
inspan
inspanned
inspanning
inspans
insparge
insparse
in spate
in-spawn
inspctorship
Insp'd
inspeakable
INSPEC
in spec
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