查询词典 variables

In a special case of 2 dimensional variables, the probability of the positive definitiveness of the discrete sample covariance matrix is given in term of sample size and variable dimension. Based on the results, the optimal sample size is provided in this thesis.

推出了离散型样本协方差矩阵正定的充要条件，得到了求离散型样本协方差矩阵正定概率的模型，建立了特殊情况下的抽样优化模型。

This thesis discussed the positive definitiveness of the covariance matrix of sample whose variables are discrete data by using p-vector match, I-Linear combination and their properties.

对于变量取离散数据的样本协方差矩阵的正定性，很少有学者进行研究。

At last, the deflection of elastic thin plate is calculated by generalized complementary energy principles with two kinds of variables.

最后，应用两类变量广义余能原理求解弹性薄板的挠度。

The combinatorial and delimitative algorithm can be used to solve the problem. A software called "Power Discrete" to implement this algorithm is developed by using Microsoft Visual6.0. It is a useful tool for linear programming problem with discrete variables and for discrete optimum design of structures, and in addition, the software also includes other algorithms such as genetic algorithm.

在国际上， 20世纪 60年代末期和 70年代初期，研究人员已开始对工程离散变量优化设计问题进行研究，但由于当时对于连续变量的非线性规划问题的研究还不够深入，所以在 70年代和80年代，研究的重点集中于连续变量的非线性规划问题。

In this study,we found the level of anticipation is different from demography variables.

这就意味着人口统计学特性不同，所期待的水平也不同。

Demography is the analysis of population variables.

人口学是对人口变量的分析。

There are significant differences on job satisfaction from demography variables.

3高校教师的工作满意度在人口统计学变量上存在显著差异。

the total self-consistency of the students are moderate, but there are variant differences in demology variables.

高师学生整体自我和谐状况适中，但在人口学变量上存在不同程度的差异。

The data including demology characteristics were gathered by face-to-face questionnare, and it was measured that the anthropometric variables, blood pressure and biochemical characteristics.

采用面对面询问法收集研究对象的一般人口学特徵，测量体格指标，并测定生物化学指标。

Excluding the influence of the demology variables, the effect of job satisfaction on organizational commitment was done, which indicated satisfaction had significant predictive effects on commitment; recognizing, reward, respect , participating decision-making, total satisfaction had significant predictive effects on affective commitment; growth and development, work relationship had significant predictive effects on continuance commitment; recognizing and total satisfaction had significant predictive effects on normative commitment.

在排除人口统计学变量的影响下，工作满意度对情感承诺、持续承诺、规范承诺都有显著的影响作用：工作认可度、报酬、尊重、参与决策、整体满意度对情感承诺有显著的预测力；成长与发展和工作关系这两个因素对持续承诺有显著的预测力；工作认可度和整体满意度对规范承诺有显著的预测力。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。