查询词典 variable star

The characteristic function of the probability density function of response variable is obtained by the high efficient multidimensional numerical integration method or convolution integral based on response surface method. Then the discrete probability density function of response variable is calculated using the fast Fourier inverse transform technique, at last the cumulative distribution function of the response variable can be quantitatively determined.

首先利用高效多维数值积分方法或基于响应面法的卷积积分求解功能函数的分布函数的特征函数，也就是进行Fourier正变换；然后利用快速Fourier逆变换数值求解功能函数的概率密度函数，进而求得失效概率。

In the model investment, pavement distress and transportation capacity are selected as the decision variable, the state variable and the output variable, respectively.

基于投资决定路况、路况决定运力这一事实，以投资、路况和运力分别为控制变量、状态变量和输出变量，建立了道路系统的状态空间模型。

In normal multivariate regression analysis, the relations between independent variable and dependent variable is analyzed, and the value of dependent variable can be forecasted.

在一般的多元回归分析中，通过分析因变量和自变量之间的关系，可以预测因变量的值。

This article use the improved integral inequalities with the deviate variable and some skills of inequalities as well as related knowledge about second-order differential equation,to obtain the following results: the classification of limit point case or limit circle case and boundedness for second order differential or difference equation with deviative variable,discussed the classification for certain n-order differential equations,Criteria for the classification of second order differential equation with deviative variable.

本文利用推广的具有偏差变元的积分不等式，结合不等式的一些技巧以及常微分方程的相关知识对一类二阶具有偏差变元的微分方程及一类二阶差分方程极限圆型的分类问题作了相关的研究工作，并且讨论了一类n阶具有偏差变元的常微分方程解的平方可积性与有界性和一类二阶非线性具有偏差变元的微分方程解的有界性。

Through research we proposed an integtated model of organizational performance, which included an exogenous variable (market-oriented culture), and a mediating variable, and a moderating variable was taken in and analyzed in this model, and finally we gave some advice on the future.

提出了以动态能力为中介，以市场导向文化为外源变量的企业绩效整合模型，同时将环境不确定性作为调节变量引入该模型进行分析，并对今后的研究进行了展望。

For each variable declared as external: If the variable declaration includes a declared type, the external environment must provide a value for the variable that matches the declared type, using the matching rules in 2.4.4 SequenceType Matching .

对每个声明为external：的变量：如果变量的声明中包含了一个已声明的类型，根据2.4.4 序列类型匹配中的匹配规则，外部环境中必须有该变量的一个值与该类型匹配。

On the basis of analyzing detailedly the correlative conclusions of the extreme value problem of two variable Function , this paper extends the essential condition and sufficient condition to multi-variable function by using the Taylor Formula 、Quadratic Form 、Hesse Matrix and so on,and gives a method to judge the extreme value of point whose vice-derivative doesn't exist by utilizing Lagranges theorem ,so that compensates for the blank above ,which turns idea that solve the extreme value of multi-variable function problem one by one into realities.

摘要本文在对二元函数极值问题的相关结论进行分析的基础上，用泰勒公式、二次型、海赛矩阵作为工具，将二元函数极值的必要条件和充分条件推广到多元函数的情形，而且还利用拉格朗日中值定理找到了一个判别不可导点处极值的方法，从而弥补了多元函数不可导点处极值无法判断的空缺。因而，使得用穷举判断的方法来解决多元函数的极值问题这一思路成为现实。

Based on the former works by our group, the variable induction devices including swirl and tumble variable devices were developed and the variable induction and twice injection were combined to optimize the lean burn combustion and improve fuel consumption and emissions in this thesis.

本文在课题组前面研究工作的基础上，设计了可变涡流与可变滚流两种滑动式可变进气结构，并将可变进气与二次喷油结合起来优化稀薄燃烧过程，改进发动机经济性与排放性能。

This research will serve service quality, life style and demographic variables as independent variable and customer satisfactory as an intermediate variable then repurchase intention as dependent variable.

本研究以服务品质、生活型态与人口统计变数为自变数；顾客满意度为中介变数；再购意愿为依变数。

For example, if there was an environment variable FOO, the internal maildrop variable FOO will have the contents of the environment variable.

比如，如果有一个环境变量FOO，内部的maildrop变量FOO将拥有环境变量的内容。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。