定义对比

This dissertation fistly introduces appearance, definition, development process, functions and status of MES, also analyses methods and existent problems of MES production scheduling; as follow, in the background of CY_MES (a enterprise's Manufacturing Execution System), introduces main function and buildup of its support platform– SIMATIC IT, and whole structure of CY_MES; afterwards, for special production instance of the enterprise, designs production scheduling system software structure, function structure, data structure of order and entry and realization of silk production and packing production scheduling based on SIMATIC IT; finally, after contrast of many modeling methods and careful research of silk production flow of the enterprise, selects Petri net to model the silk production scheduling, for the sake of avoiding many error chromosomes, improves on the basic genetic algorithm, uses sigle unit genetic algorithm to optimize the Petri net model, lists the contrast of scheduling results.

本文首先介绍了MES的产生、定义、发展历程、功能及其发展现状，同时也分析了MES生产调度问题的各种解决方法及其存在的问题；接着以CY_MES为背景介绍了其支撑平台——SIMATIC IT平台的功能及其各组成部分，以及CY_MES的SIMATIC IT整体解决方案；紧接着在SIMATIC IT平台基础上，针对该烟厂的生产实际情况，设计了CY_MES生产调度系统的软件结构、功能结构、工单和子工单的数据结构和制丝与卷包生产调度的实现方式；最后，在比较了各种生产调度建模方法的利弊和对该烟厂制丝生产工艺流程深入研究后，利用Petri网建立了制丝生产调度模型，为了避免大量无效个体的出现，对基本遗传算法进行了改进，采用单个体遗传算法对这个Petri网模型进行了优化，并给出了调度结果的对比。

By contrast, the process of personal growth is much more difficult to determine, since by definition it is a journey and not the specific signposts or landmarks along the way.

与之形成鲜明对比的是，对个人成长过程的确定要难得多。因为从定义上来看，个人成长的过程是旅途，而不是一路上特定的路标或地标。

The authors give the definition of insertion loss of electric locomotive in inductive communication through trolley wire in a mine tunnel and compute insertion loss and transmission loss. After contrasting the two losses, we know that the insertion loss is very large and it is necessary to use dedicated induction line.

给出了在矿井中利用电机车架空线进行感应通信时，架空线负载引起的插入损耗的定义，计算了插入损耗和无负载时的电磁波传输损耗并对比了这两种损耗，可知插入损耗是非常大的，这说明了使用专用感应线的必要性。

Chapter Two: A contrastive study of the systems of English and Chinese demonstratives. In this chapter, we consider how the demonstrative systems of both languages are defined in each languages traditional grammar.

第二章，从传统语法角度对比研究英汉指示代词系统，主要讨论传统语法是怎样定义英汉指示代词的。

The merits of the inclusion of quantitative methods based on logical empiricism for explicit definition of input errors and uncertainty, approaches to quantisation of input data, and optimisation of outputs are contrasted with soft systems approaches that incorporate more linguistic and information theory into landscape analysis.

为输入的错误和不确定，输入的数据的量子化的方法和输出的最佳化的明白定义以合乎逻辑的经验主义为基础的数量方法的包含的功绩与将较多的语言学和传播理论纳入风景分析的软性系统方法一起对比。

The merits of the inclusion ofquantitativemethods based on logical empiricism for explicit definition ofinput errors and uncertainty , approaches to quantisation ofinputdata , and optimisation of outputs are contrasted with soft systems approaches that incorporate more linguistic and information theory into landscape analysis .

为输入的错误和不确定，输入的数据的量子化的方法和输出的最佳化的明白定义以合乎逻辑的经验主义为基础的数量方法的包含的功绩与将较多的语言学和传播理论纳入风景分析的软性系统方法一起对比。

According to the relationship between gravitational potential and electrostatic potential, as well as considering the physical meaning of the contrastive mass-to-electricity (mass per unit quantity of electricity) a definition of intensive electrostatic potential of the system (the electrostatic potential per unit mass) was proposed.

根据万有引力势与电势的关系式和系统的对比质电比的物理意义，定义了系统的强度电势－单位质量的电势。

It describes Hanseatic League's formation and prosperity, including the definition of the League, organizational structure, etc., and presumes that the powerful League is the resorts of its merchants entering into England and engaging in commercial activities. On the other hand, in England, during 13 to 15 century, because of the burden of "the Hundred Years War", the force of state had weakening; the level of economy seems relative low, which give Hanseatic merchants a huge space to engaged in commercial activities in England.

叙述汉萨同盟的形成和繁荣情况，包括同盟的定义、组织结构、分布范围，认为汉萨同盟的强大是其商人能进入英国从事商业活动的力量凭靠；而13至15世纪的英国，由于&百年战争&，英国的国家力量出现弱化，而经济在横向对比中又显得相对落后，这就为汉萨商人提供了从事商业活动的巨大空间。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。