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C variables in the positioning of the compiler things, as long as the definition of beginners variable and the variable scope, Compiler put a fixed address to this variable.

在C中变量的定位是编译器的事情,初学者只要定义变量变量的作用域,编译器就把把一个固定地址给这个变量

This paper brings in three variates including energy consumption, energy price and economic growth on the basis of previous double variate system. Using the data from 1978 to 2004, we do Cointegration Test to see the long relationship among them. Then we build an Error Correcting Model. Moreover, we use Granger Causality Test to re-examine the relationship of the three.

本文在前人简单双变量系统的基础上构建了能源消费,能源价格与经济增长三变量系统,利用1978-2004年的数据,通过协整分析,检验了能源消费,能源价格,经济增长之间的关系,构造了三变量的误差修正模型,并用Granger因果检验进一步验证了三变量之间的关系。

We should attract attention to the result of PCA that doesn't show which variable is most important, interesting and doesn't show how to compare one variable's weightiness with another.

我们可以看出,得到的主成分为原变量中某几个变量的线性组合。但是它并没有明确标示出哪些变量最具有代表性,最是我们应当关心的、感兴趣的,以及不同变量之间的比较问题。

This report also touches uPon the specal actional mechansm thesevedables, Which can provide psychological basis for educational and teaching activities.We have verified and revised the surveying tools, and the results show that thequestiomlaire on leaming strategy and the subjective queshonnaire both have betterre1iability and effectiveness, and they can check: up the 1eaming strategy and non-intelligence factors of the underachiever.

本研究运用心理测量的手段和方法,对学业不良学生的学习策略、非智力因素、原有知识和智力等多种心理变量进行比较科学地测定,了解变量间的相互作用,探讨各种变量对学业不良生学业成就的影响程度,以及多种变量对学业不良学生学业成就的综合作用机制,从而为教育教学活动提供心理学依据。

Based on the theory of offset aberration, the relationship between decenter variables and tilt variables is obtained by compensating the primary aberration caused by both the decenter variables and the tilt variables.

从失调像差理论出发,通过平衡偏心变量和倾斜变量产生的初级像差,得到偏心变量和倾斜变量间的补偿关系。

Different variabiles in economic system interact with each other. The long-term stability is analyzed on the basis of Gansu Province's GDP, total sum of expenditure, total sum of investment, and total sum of exports, and the thort=term fluctutation is analyzed on the basis of variables in ECM. Thus, the reality of Gansu Province's economy is revealed and corresponding countermeasures are put forward in a broad sense.

经济系统各变量之间相互制约、相互促进,以甘肃GDP、消费总额、投资总额和出口总额作为一个系统,检验该系统各变量之间是否存在协整关系,即研究系统各变量之间的&长期&稳定关系,进而基于ECM模型研究系统各变量的&短期&波动,揭示甘肃经济的本质特征,并提出相应的宏观经济政策建议。

Based on the analysis of bistatic SAR geometry model, bistatic SAR echoed signal is modeled in the double range variables domain in this paper, and the relationship between the double range variable domain and the single range variable domain is established. Then a range-dependent Doppler algorithm for imaging processing airborne bistatic SAR raw data of the translationally invariant configuration is derived, and the effect of error of the algorithm is analyzed by simulating.

摘要该文通过对机载双基地SAR非移变几何模型的分析,建立了双距离变量域的回波信号模型,由于回波数据是在距离和域,该文推导了距离和变量与双距离变量的转换关系,解决了该模型向距离和变量域转换的问题;提出了适用于非移变模式的变多普勒参数的双基地RD算法,并对该算法中引入变多普勒斜率所存在的误差进行了仿真分析。

In this paper, a self-adaptive selecting algorithm proposed is based on a fast and effective measure for evaluating variable ordering, to select the "best" ordering among a group of orderings.

首先将OBDD变量排序问题分解为3个子问题,定义了若干启发信息,给出了上述子问题的启发式解法;然后提出了一个变量排序自适应选择算法,从若干候选变量序中选出&最佳&的变量序。

However, the mathematical study of the geology of this area is still lacking. On the basis of geological field survey, we have made systematic sampling and geochemical analyses of the rocks, and systematically studied the relationship between the Cu-Ni variable and the rock-forming element variables by the method of multi-variate...

文中在系统的野外地质调查基础上,进行了系统采样和岩石地球化学分析,应用多元线性回归和逐步回归分析相结合的方法,借助SPSS数学统计软件系统的研究Cu-Ni变量与造岩元素变量的关系,建立Cu-Ni变量与其他变量的回归方程,验证与解释白石泉Cu-Ni硫化物矿床的成因、岩浆来源等问题,对指导找矿勘探有重要作用,对应用数学地质方法有指引作用。

An equal cross-section blade was investigated and a finite element model was built parametrically. Geometrical parameters (such as length, width and thickness), material parameters (such as young's modulus and density) and speed of blade were considered as input random variables while the static frequencies and dynamic frequencies were output random variables. Combining the finite element method, response surface method and Monte Carlo method, the statistical properties and cumulative distribution functions of static frequencies and dynamic frequencies were obtained. Probability sensitivities analysis, which combined the slope of the gradient and the width of the scatter range of the random input variables, was applied to quantitatively evaluate the sensitivities of static frequencies and dynamic frequencies with respect to the random variables. The Scatter plots of structural responses with respect to the random input variables were illustrated how to adjust the values of the static frequencies and dynamic frequencies by changing input random variables.

文中以某试验台用汽轮机等直叶片为研究对象,考虑几何参数、材料参数和转速的随机性,通过有限元参数化建模,将确定性有限元方法、响应面方法和Monte-Carlo模拟法相结合,从而获得了叶片静频、动频的统计特性和累积分布函数;同时考虑随机变量的梯度和离散范围对静、动频的影响,通过概率敏感性分析,定量地判断出叶片静、动频对随机输入变量的敏感性;通过绘制叶片静、动频与输入变量的散点图,定量地分析了如何改变随机变量以调整静、动频率的方法。

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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

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世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。