variation of constants是什么意思

用法例句

Energy-saving principle of vibratory machinery design based on constant potential energy;

基于势能为常量的振动与冲击机械节能原理

The characteristics of constants, prepositional variables and some generalized literals of LP (X) were d iscussed, and theirα-resolution fields were obtained.

讨论了LP(X)的常量、命题变元和一些广义文字的性质,并得到了它们的α-归结域。

Through analyzing mathematic problems,constructing a system related to the problem to study constants and variables is helpful to connect individual variables with each other.

通过分析数学问题,构建与问题相关的系统,在系统内应用辨证的观点分析常量与变量,使孤立的变量相互联系。

Semantic structure includes "constants" and "variables",where constants keep in harmony with the expression of selected sentence patterns,while variables are real cause that affects the sentences pattern choice.

语义结构包括“常量”和“变量”,常量对取舍句式的表达不施加影响,而变量则是造成各种取舍句式差异的真正原因。

Geochemistry of major elements in soil in central Hunchun of Jilin;

珲春中部土壤常量元素地球化学特征

This paper studies the major elements and trace elements of altered rocks and the Au content and composition of altered minerals of Jincheng gold deposit and first studied the Fe-carbonate and the amygdale in lamprophyre in this deposit.

研究了金城金矿床蚀变岩石的常量元素和微量元素、蚀变矿物的金含量和化学组成,并首次对铁碳酸盐化及煌斑岩杏仁体的组成进行了研究。

Based on the major elements abundances of sediment samples from 295 stations in the South Yellow Sea, we have conducted the R-mode cluster analysis and R-mode factor analysis of major elements in the sediments and their relationship with the sources.

通过对南黄海295个站位沉积物样品的常量元素含量分析,研究了南黄海沉积物常量元素组成的R-型聚类分析、R-型因子分析及与物质来源的关系。

Considering the generalized gradient approximation and local spin density approximation,this paper calculates geometry structure,electronic structure and optical constants of MgCNi3 by full potential linearized augmented plane-wave.

考虑广义梯度近似与局域自旋密度近似,采用全势线性缀加平面波法对新超导体MgC-Ni3的几何结构、电子结构及光学常量进行了计算,从理论上给出了其电子结构与光学性质的关系。