second moment about the mean second-order central moment second-order moment around mean
Related Translations:
矩: 名词1.(画直角或正方形、矩形用的曲尺) carpenter's square; square2.(法度; 规则) rules; regulations 短语和例子循规蹈矩 follow rules, orders, etc. docilely; conform to convention3.[物理学] moment 短语和例子动量矩 moment of momentum;
