second-moment

基本解釋

In the last days of the second moment a great war is to be concluded with judgment and a global conflagration lasting 1,468 years.
在第二片刻的最后日子，一場世界大戰(zhàn)最后是隨著審判而來，一場全球的大火災持續(xù)了1，468年。
The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.
通過對模型中的參數(shù)進行模糊化處理，用改進一次二階矩法計算了地下水過量開采的模糊風險率。
It has also been shown that the relationship between the second moment and the square of peak width at1/4 height is linear.
并證明了二階矩與1／4峰高處峰寬的平方成線性關(guān)系。
Parameters, based on the NGLDM, such as fineness, coarseness, entropy, second moment, and non uniformity parameter were introduced to describe the texture of froth.
引入了基于該矩陣的細度參數(shù)、粗度參數(shù)、二階距參數(shù)、熵參數(shù)及不均勻性等特征參數(shù)來描述泡沫的結(jié)構(gòu) .
The second moment of the least squares estimator in the nonlinear regression model is obtained in this paper in terms of two kinds of curvatures defined by Bates and watts.
本文從似然方程的二級近似出發(fā),求出了非線性回歸模型最小二乘估計量(LSE)的二階矩與Bates and Watts定義的二種曲率之間的關(guān)系。