查询词典 integration variable

Under cluster innovation environment, SMEs could choose integration of industry, learning and research, technology introduction, cooperative research and development; Empirical studies show that the variable of cluster innovation environment and technical innovation competence in SMEs exits positive correlation; the management department of government and science and technology park should perfect cluster innovation environment,the SMEs should use cluster innovation environment more positively,perfect innovation resources sharing mechanism and cluster learning mechanism, perfecting intermediary service system,establish SMEs'technology innovation system.

政府及科技园区相关管理部门应该进一步完善集群创新环境建设，为群内中小企业营造良好的技术创新环境；中小企业应该更有效的积极利用集群创新环境，更多的通过合作创新实现技术创新能力的提升；健全创新资源共享机制与集群学习机制；健全中介服务体系，建立中小企业技术创新体系，提高中小企业自身技术创新能力。

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 order to meet the required simulation precision and meet the real-time simulation in ballistic simulation calculation,this paper analyzes the selection method of the simulation step,and then introduces variable step integration methods in Runge-Kutta to Adams and educes Adams variable step integral formulas,and then put forwards a method by seeking zero of condition function in discontinuous nonlinear system of the ballistic simulation.

在弹道仿真计算中，为了既达到要求的仿真精度又能满足实时仿真，分析了仿真步长的选择方法，然后在龙格－库塔转阿当姆斯法中引入变步长积分方法，推导了阿当姆斯变步长积分公式，同时对弹道仿真中的间断非线性系统提出条件函数求零的方法来解算弹道。

The development of co-integration analysis theory provides an emollient tool for studying the relation between economic variable and stock market.

协整分析理论的发展为研究经济变量与股市的联系提供了一种有力的工具。

This paper, however, has extended the scope of employment structure studies by introducing exchange rate as a new variable in positivist studies and the methods of co-integration test and error correction model in the comparison of the relationships between real exchange rate and the proportion of tertiary industry production value and between the proportion of employment of China and Japan.

关于就业问题，以往的研究主要从就业总量与就业结构两个角度进行探讨，本文对就业结构的研究进行了拓展，在实证研究中引入汇率，运用协整和误差修正模型对日中两国实际汇率与第三产业产值比重和就业比重之间的关系进行了国别比较。

This paper,however,has extended the scope of employment structure studies by introducing exchange rate as a new variable in positivist studies and the methods of co-integration test and error correction model in the comparison of the relationships between real exchange rate and the proportion of tertiary industry production value and between the proportion of employ...

实证结果表明，从长期看日本第三产业就业比重上升与实际汇率升值正相关，而中国的相应变量间不存在类似长期关系。比较分析得出结论：只有在汇率适度浮动，资源在部门间流动壁垒减少这两个条件满足时，汇率升值才会产生资源配置作用，推动劳动向非贸易部门转移，逐步优化就业结构。

A variable-step modified Euler time integration method is proposed and analyzed. Four major factors that affect the efficiency of the variable-step modified Euler time integration method are discussed. These include stability and accuracy analysis for the damped fix-step modified Euler integration formula, adjustment method of the fix-step basic integration formula to accommodate step-size changes, suitable range of the step-size selection strategy based on truncation error concept and development of the step-size selection strategy based on apparent frequency concept to satisfied the specified error bound and stability condition.

提出了变步长修正Euler时间积分法，详细讨论了影响变步长修正Euler时间积分算法效率的四个主要因素，它们包括：有阻尼问题的修正Euler法的稳定性和精度分析，调整固定步长的基本积分公式使之容纳步长大小变化的研究，基于截断误差概念的步长大小选择策略适用范围的讨论，同时满足规定误差界和稳定性条件的、基于表观频率概念的步长大小选择策略的建立。

Using variable upper limit integration and Lagrange mean value theorem,this article proves the first mean value theorem under the same condition and give several spread of the first integral mean value theorem .

在条件完全相同的情况下改进积分第一中值定理，并利用变上限积分函数和拉格郎日中值定理证明该定理，并给出积分第一中值定理的几个推广

Numerical Integration Single variable f - Calculates the definite integral of a single variable function f(x using numerical methods: The Trapezoidal, the Midpoint and the Simpson's method.

计算一个单精度变量的整数部分的函数f 使用的数学方法：梯形法、中间点中和辛普森方法。

Limits, Continuity, Derivatives, and Integration of Single Variable, Integration Techniques, Applications of Derivatives and Integrals, Infinite Sequences and Series, Multivariable Function and Their Derivative, Multiple Integrals, Integration in Vector Fields.

课程内容：单变数函数之极限、连续、微分、积分，积分技巧，微分与积分的应用，无穷数列与级数，多变数函数之偏微分、可微性，多重积分，极值问题，向量场积分。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。