美国的“泛灰”主要是由于生活在美国的人寿命更长。
The "graying" of the United States is mainly due to the fact that people in the u.
本文从灰色信息的内涵出发，给出了泛灰集与泛灰数概念。
The concepts of the hyper real set, universal grey set and universal grey number as derived from the connotation of grey information are proposed.
根据泛灰数的性质，定义了泛灰矩阵，提出了泛灰线性方程组的泛灰矩阵解法，并给出了算例。
Based universal Grey number's characteristic, universal Grey matrix is defined and universal Grey matrix Solution Method to universal Grey Linear Equations is introduced.
泛灰数学为结构动态设计提供了新理论与新方法，该方法计算简单、准确可靠，具有广泛的应用价值。
The universal grey mathematics provided a new theory and method for structural dynamic design. The method is simple in calculation, accurate and reliable, and possesses broad values of application.
正是在近六十岁的时候，他是一个高大，优雅的男人，相貌端正。他浓密黑色卷发只有足够的泛灰菜能区分他的外表。
He was at this time in his late fifties, a tall, elegant man with good features and thick waving dark hair only sufficiently graying to add to the distinction of his appearance.
本文在泛灰函数的极限概念基础上，进一步讨论了泛灰函数极限的运算及运算性质，为讨论泛灰函数的连续性以及泛灰函数的导数奠定了基础。
Some definitions of four fundamental operations of grey number and grey function are given in this paper, also we have given the whiting method of grey function.
而灰色非线性规划，则将约束条件当作效益泛函，将一般的目标泛函当作消耗泛函，这二者都是含灰元的灰泛函。
In terms of grey nonlinear programming the restrictive condition is regarded as the profit functional, and the cost function is considered as the depleting functional.
利用矿物掺合料的火山灰活性等特性，研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛碱的程度；
Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;
利用矿物掺合料的火山灰活性等特性，研究了粉煤灰、矿渣粉、硅粉、沸石粉抑制混凝土泛碱的程度；
Utilizing the pozzolanic activity of mineral admixtures, the effect of inhibiting efflorescence of fly ash, slag, silicon fume and zeolite powder was studied;
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