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For the current situations that electrical power operation environment is more complex, the power organization reformconstantly, the electricity market is formed step by step, the current electrical equipment is outdate, and for the so many problems that lowenergy efficiency, poor power quality, less interaction between customers and power grid company, this paper defines the smart grid that is suited to China's power grid situation, and summarizes five features for the smart grid such as self-healing, interactive, optimization,compatibility, integration and the differences between smart grid and traditional grid, then introduces the four systems of smart grid and two foundations before building the smart grid, and finally concludes that smart grid is the inevitable result for the economical and technological development.

针对目前电力运行环境的日趋复杂、电力体制改革的不断前进、电力市场的逐步行成、现有的电力设备亟待更新、能源利用率低、电能质量差、用户与电网公司交互作用少等诸多问题，讨论了适合中国电网情况的智能电网的定义，总结出了智能电网自愈、互动、优化、兼容、集成五大特点，概括出了智能电网和传统电网的区别，并详细介绍了构成智能电网的四大体系和建立智能电网的两大基础，最后总结出智能电网是经济和技术发展的必然结果，我国应加快智能电网的研究发展。

Application fields of sodium hexametaphosphate was summarized.Production technologies,mainly include two-step sodium dihydrogen phosphate production process and one-step phosphorus pentoxide production process of sodium hexametaphosphate,as well as advantages and disadvantages of various methods were introduced in detail.

综述了六偏磷酸钠的应用领域，并详细介绍了六偏磷酸钠的制备方法以及各种方法的优缺点，主要有磷酸二氢钠两步法和五氧化二磷一步法。

TesTcard can be administered in one of two ways: as a single-step dip-and-read test or as a single-step pipette test.

TesTcard有两种操作方法：一步法浸入阅读测试或者一步吸取检测。

This paper discusses the connection of one step or two step right derivative and protruding property of a function.

研究了函数的一阶及二阶右导数与函数凸性的关系，推广了数学分析中的有关结果。

Research about the needs of China′s logistics professionals;2. By using two-variable regression line, the writer forecasts the needs of Chinese logistics personnel in 2003,gives a conclusion that the needs maybe decline step by step, not be higher and higher.

针对国内各种物流人才的预测数据大相径庭的现象，本文利用国家统计局的数据，采用一元线性回归的方法对2003年中国物流人才需求量进行预测，得出物流行业对物流人才的需求有可能进一步下降的结论。

At the first step,the key frame selecting from the sequence,the robust features extracting and corresponding of multi-images of sequence are accomplished.At the second step,two views which are far away enough and sharing lots of correspondences are selected.

首先提出了基于视差分析的序列图像关键帧选择方法，对关键帧图像特征点进行鲁棒性的提取与匹配；第二步用加权的RANSAC算法估计基础矩阵，同时获取准确匹配的内点集。

In the different process conditions, sugarcane wax was extracted from filter mud, a by-product of sugar mill, by two-step process and one-step process and can be used as the semifinished product for sugarcane wax refining and further processing.

以甘蔗糖厂副产品滤泥为原料，选定不同的工艺条件，分别以两步法和一步法提取蔗蜡，作为蔗蜡精制及深加工的中间产品。

Then, it studies the supply chain management system as a complex system to confirm the state existing during operating of the system. After that, it conducts a probability analysis on the state which the system located by applying supplement variable method, and establishes the model of distributed parameter system in a form of partial differential equations. Combining C0 ? semigroup theory in the functional analysis, it conducts a dynamic analysis on the established mathematical model. Using this method, it obtains the mathematical expression of the dynamic solution and the steady state solution, and proves the uniqueness, non-negativity and the asymptotic stability of the system solution. This dissertation applies the Matlab tool and uses two-step, three-step Simpson integral equation to imitate the condition of system solution. Then, it adds possible mode of failure and the optimization adjustment state to the system, based on which it has established the distributed parameter system model which is described by partial differential system of equations. Combining the functional analysis C0 ? semigroup theory, it studies the established mathematical model, and obtains the mathematical expression of the dynamic solution system and the steady state solution. It has proven the existing of uniqueness of the system solution, the asymptotic stability of system solution and the system solution. In addition, it has lying the theory rationale for further analysis and the research on the optimization of system.

本文首先简要综述了供应链理论、可靠性研究、鲁棒性研究以及供应链鲁棒性研究的现状；然后，将供应链系统作为一个复杂系统来分析，确定了系统运行过程中所经历的状态，通过引入补充变量的方法，建立了用偏微分方程组描述的分布参数系统模型，用泛函分析中的C_0 -半群理论得到了系统动态解和稳态解的数学表达式，证明了系统解存在的唯一性、非负性和指数阶渐近稳定性；并借助Matlab工具，利用二阶、三阶辛普森积分方程模拟系统解的性态，并给出系统动态解的仿真图；本文又对上述系统增加了系统可能失效状态和优化调整状态，并在此基础上建立了用偏微分方程组描述的分布参数系统模型，同样用泛函分析中的C_0 -半群理论对所建立的数学模型进行了研究，得到系统动态解和稳态解的数学表达式，证明了系统动态解存在的唯一性、非负性及渐近稳定性，为进一步分析和研究供应链优化奠定了理论基础。

It is shown that the rate process of thermolysis can be divided into two steps with the first step described by shrinking core model and the second step by one order reaction model.

研究证明热分解过程可分为两个阶段，前期可用缩芯模型描述，后期则以一级反应模型描述。

It will instruct you, step by step, on how to give your child an academically rigorous, comprehensive education from preschool through high school. Two veteran home educators outline the classical pattern of education—the trivium—which organizes learning around the maturing capacity of the child's mind.

它会一步步教你如何从学前教育到高中毕业给你孩子提供一个严格全面的教育，这两位都是家庭教育方面的老资深了，刻画了经典的教育模式-三学科，即孩子头脑里的成熟力量上组织学习。

Based on the relationship and the phenomenon model, an improved model of MR damper has been presented in this paper.

摘 要：本文在实验数据的基础上建立了磁流变阻尼器输出力与不同常电流控制量的关系，对现有的 p模型进行了改进。

I don't think our founding fathers were very fuckable.

我认为我们的开国元老没什么吸引力