mean square distance是什么意思

mean square distance是什么意思 root mean square the root mean square error standard deviation;root-mean-square deviation是什么意思 心理学中的mean,mean difference,mean distance,df,statistically significant中文是什么意思啊? root mean square均方根是什么意思,其定义是什么? square square square square The speed increases linearly,and the distance increases as the square of the time. Mean mean 英语翻译A circle of radius 2 rolls completely around the inside perimeter of a square of side 10.What distance is covered by the centre of the circle? 英语翻译whose strength is proportional to the product of the objects' masses and inversely proportional to the square of the distance between them看了十分头昏… confusing..what does long distance for long time may create conflicts between couples mean?why why not say separating for a long time may create conflicts between couples? 在SPSS软件中,直方图的右下角处Std.Dev=563.45Mean=2920.0N=20.00方差图中：Sum of Squares：Between Groups：Within Groups：Total：df：Mean Square：F：Sig：. 关于多元线性回归用spss分析后结果该怎么看R =0.765 R Square=0.585 Adjusted R Square =0.439 Std.Error of the Estimate=0.0557 这是否表明变量X对Y的解释程度不高呢ANOVA(b) Model Sum of Squares df Mean Square F Sig.1Regressi