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This article discusses the three tremendous cultural variations in Xiyu,analyses the main causes led to the variations and their substance,and argues that the substance of Xiyu culture's variations was the triumph of the Turki and Islamic culture ,the advanced culture keeping forging ahead and based on advanced economy,over the Yilan culture of weak quality, short of a subject ethnic consciousness and being reduced to a declining state;it was also the defeat met with by the Greek, Persi...

本文探讨了西域经历的三大文化巨变，剖析了其主要原因及实质，认为西域文化变异的实质，是以先进经济为基础的进取型先进文化———突厥文化和伊斯兰文化战胜了缺乏主体民族意识、处于沦落状态的伊兰弱质文化，也是具有悠久古文明传统的希腊、波斯、汉文化在西域文化经营的失败。文章最后揭示出一般不被人重视的文化与边疆稳定、文化兴衰与民族命运这类重大问题的关系，对结合现实与历史教训研究中华文化，特别是对建设中华边疆文化的内容与方针等问题提出了对策建议。

There are some flaw in L-Phe production inland, such as underproduction and in miniature. So it is an main research subject to reduce the cost of L-Phe separation.

目前我国L-苯丙氨酸生产规模小、成本高，而降低L-苯丙氨酸生产中的成品分离纯化成本是当前的重要课题。

Design subject: Magnificent and expensive, easy and comfortable, return nature the symbol design's main body graph by the precious jade, the wave as well as the expensive character pinyin alphabet "G" the achievement creates the element, overall design idea take precious jade unique splendid, magnificent and expensive makings and hot spring wave warm, health as creativity spot.

标志设计的主体图形由宝玉、水波以及贵字拼音字母"G"作为创作元素，整体的设计理念以宝玉特有的富丽、华贵气质和温泉水波的温暖、健康为创意点。

The main thesis on the subject of development background, to be completed by the function and the development of the whole process Note the focus of the focus of system design, design ideas, technologies and solutions difficult.

论文主要介绍了本课题的开发背景，所要完成的功能和开发的全过程。重点的说明了系统设计的重点、设计思想、难点技术和解决方案。

The authentication by means of ISO9000-2001's grade quality assurance setup of corporation and effectively runs causes that corporation produce technique level and the quality grade all dwells domestic colleague's trade first place , the rich special subject of technical personnel pestles an organization , yet each year wholly continuously puts out the fresh produce to meet the actual and latent demand that the vacuum tube produce was adjust in the wide door in the past few years , the different main economic target of corporation all increases by degrees with velocity over 30%, and the multiple items produce captures the province grade scientific and technical payoffs reward , and that the business is awardded the high and new technique business name corporation in Liaoning shall steadfast that the earth with shopper is fundamental , and administer with continuously to innovate by means of the scientific knowledge , and in the interest of the marketplace suppling the service of international quality produce and classic with all one's heart , to supply the well-developed quality of performance the dependable high grade produce in the interest of consumer is the target that the corporation was pursue .

公司通过ISO9000-2001级质量保证体系的认证和有效运行。使得公司产品的技术水平和质量档次均居国内同行业首位，技术力量雄厚的专业研发机构，每年都不断推出新产品来满足广大可户对电子管产品的现实和潜在的需求。近年来，公司各主要经济指标均以30%以上的速度递增，多项产品获省部级科技成果奖励，企业被授予辽宁省高新技术企业称号。公司将始终不渝地以顾客为根本，通过科学管理和不断创新，竭诚为市场提供国际品质的产品和一流的服务。为用户提供性能先进质量可靠的优质产品是公司追求的目标。

In You Jin's work, Chaotic Code include the following meanings: first, color, light and lines are the main language characteristics, and the precise, ordered and mechanical depicting techniques stand out the random order and weaken traditional pictorial expression; second, in objective representation of images, garbled symbols emphasize a certain unreal sense of subjective construction with the representation of transient images; third, the atmosphere of the picture represents sublimation and ballyhack, bustling, calm and gloomy, which emphasizes the stimulation of visual sense; fourth, the subject of chaotic code indicates floweriness, change, and grotesque idea, implying that the hidden trouble of danger, horror, unsteadiness and peril potentially exists in the rapid developments of current society and the advancement of technical information.

看由金的作品，&乱码&包含了以下意义：一，在语言特征上，以色彩、光、线为主，以严谨、有序、机械的刻画手法，呈现乱中有序的特点，削弱了传统绘画性表现；二，在表现物象上，以虚幻的影像呈现，强调一种主观营造的非现实感觉；三，画面氛围，呈现着绚丽繁华、冷静沉郁、升华毁灭的氛围，强调视觉感官的刺激；四，表达主题，营造一种绚丽繁华、瞬息万变、光怪陆离的表象，暗示当代社会的快速发展及科技资讯的发达，潜在地存在着危险、恐怖、不稳定、不安全等的隐患。

The deformation of the main paper, water absorption by the paper and paper subject to tensile deformation compressionr coaction deformation.

不主给是纸张的变形，由纸张的吸火变形和纸张施拉伸压缩的变形不败群功用。

Keywords can be considered as a set of words which are important and subject correlated cohesively in a document. Therefore, an automatic keyword extraction method based on density clustering is proposed in this paper. Web pages are segmented, and the words are clustered based on their co-occurrence. Co-occurrence relations between words are analyzed, and keywords that capture the main topics of the document are extracted.

由于关键词是文章中较重要且主题关联较凝聚的词的集合，因此提出一种基于密度聚类模式的中文新闻网页关键词提取方法，根据词语之间的共现信息，对网页分词后的词语进行聚类，在分析词语关联度的基础上提取出反映新闻主题的关键词。

The main characteristics of seizing by fast drivers include : centralization of criminal locality selection of criminal time pertinence of criminal object specificity of criminal target collectiveness of criminal structure and younger in average of the criminal subject .

飞车抢夺犯罪的特征主要有：犯罪地域的集中性；犯罪时间的选择性；犯罪对象的针对性：犯罪目标的特定性；犯罪结构的集合性；犯罪主体的年轻化。

In this paper, taking one 1900t/h supercritical pressure once—through boiler installed in East boiler company as subject investigated, analyzing the structure and characteristic of unit, from the mechanism of units, based on the law of quality conservation, energy conservation and momentum conservation, having Lagrange fluid particle tracing idea in hydrodynamics field application in analyzing of unit operational characteristic, author build up the nonlinear distributed parameter general dynamic mathematical model of single-phase heating surface or diphase heating surface in the steam-water system for supercritical pressure once—through boiler, which is suitable numerical calculation and simulation for large scale disturbance and full working conditions change, and enough materializing distributed characteristic of thermodynamic parameter in process and time lag characteristic of energy transportation in tache. The transient responses curve of the system main variables under several disturbance are computed by Computer Simulation for the model, and theoretical analysis shows that the simulation results are reasonable.

本文以东方锅炉集团公司的一台1900 t /h超临界压力直流锅炉为研究对象，在分析机组结构和特性的基础上，从机组的工作机理出发，以质量、能量、动量守恒定律为依据，将流体力学领域中的Lagrange流体质点追踪思想用于机组运行特性的分析上，建立了适用于超临界压力直流锅炉汽水系统单相、双相受热面的非线性分布参数通用动态数学模型，该模型适合于大扰动全工况变化的数值仿真计算，充分体现了过程热力参数的分布特性和环节中能量输送过程的时滞特性，并对模型通过计算机仿真得出各种扰动下系统主要变量的响应曲线，从理论上分析了仿真结果的合理性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。