若把二值图或灰度图看作是二维密度分布函数，就可把矩技术应用于图像分析中。
The use of moments for image analysis is straightforward if we consider a binary or gray level image segment as a two-dimensional density distribution function.
二维正态分布函数值的计算是估算串联结构体系失效概率上、下限的一项重要内容。
It is an important aspect to compute the two dimensional distribution in estimating the bounds of failure probability of series structures.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
A distribution function of two dimensional threshold is given for fatigue crack propagation.
考虑到图像的概率特性，通过引入二维正态分布函数，准确合理地表示图像像素间的相关性。
Because of the possibility characteristics of images, the planar normal distribution function was adopted to present the pertinence of pixels accurately and reasonably.
本文给出二维疲劳裂纹扩展门槛值分布函数，建立二维应力—门槛值干涉模型。
A distribution function of two dimensional threshold is given for fatigue crack propagation. A two dimensional stress threshold interference model is set up.
最后给出了经验的中国大陆宏观地震震中—速报震中偏离的二维正态概率分布密度函数。
The empirical two-dimensional normal distribution functions for the deviations are presented in the paper.
结果表明，空间压强分布可以用一个二维高斯概率函数的曲面方程来表达。
The sinplified space formula of the intensity distribution of pressure is developed, and the result ha shown that the equation is a two-dimensional Gauss' normal distribution equation.
结果表明，空间压强分布可以用一个二维高斯概率函数的曲面方程来表达。
The sinplified space formula of the intensity distribution of pressure is developed, and the result ha shown that the equation is a two-dimensional Gauss' normal distribution equation.
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