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With respect to syntax, the roles of tagmeme in the structure of word and sentence and Chomsky's Generative-Transformational Grammar are discussed. The spatial relation theory and existing research achievements are investigated. Having noticed the shortage of the capability of topological and metrical relation in the description of spatial information structure, the author proposes Combinational Qualitative Geometry based on the two invariables under ordinary transformations, distance ratio and direction difference, the CQG-based spatial relation system between topological and metrical constraint is thus constructed, on which several spatial relations such as parallel, perpendicularity, co-linearity, sequence and direct neighborhood are derived. Based on extended theory of spatial relation, the language anamorphosis is analyzed from the aspects of phonetics, semantics and syntax. The mere geometric and formalized spatial relation is then integrated with concrete geographic ontology to accommodate richer and indicative spatial configuration of spatial information in the different geographic context. Finally a syntax framework for spatial information is put forward.
在语法结构方面,首先阐述了法位和法素在语法结构词法和句法中的地位和作用,以及Chomsky生成转换语法的核心内容;详细介绍了地理信息系统空间关系理论及现有的研究成果;在分析现有的拓扑关系和量度关系对空间信息结构描述能力不足的基础上,提出了基于长度比和角度差两个不变量的组合定性几何,以此建立了介于拓扑及量度约束之间的组合定性关系体系,并以此为基础派生出平行、垂直、共线、次序、直接邻近等空间关系描述;本文基于扩展的空间关系理论,详细讨论了空间关系在语音、语法和语义三个方面的语言变体,将纯几何和纯形式化的空间关系与具体的地理本体结合起来,可以获得更为丰富的、更能反映空间关系在不同语言上下文中具体体现的组合关系;最后给出了一个空间信息的语法结构的基本框架。
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Because although I cannot bear the publication expense, this paper has not been able to publish finally, as well as my another about E-government's policy and development paper because also the same reason has not published, but my elaborative faculty, analysis ability as well as expressed the opinion in the research environment ability to obtain the very big promotion.
尽管由于我负担不起出版费用,这篇论文最终没能发表,以及我的另一篇关于电子政务的政策和发展的论文也由于相同的原因没有发表,但我的思考能力、分析能力以及在研究环境中表达见解的能力都得到了很大的提升。
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Chapter 8: We discuss the acceleration of multigrid by Krylov subspace approaches, and recognize the reason for slow convergence of algebraic multigrid methods is that error reduction is significantly less efficient for some very specific error components which may cause a few eigenvalues of the algebraic multigrid iteration matrix to be considerably closer to 1 than all the rest. However, the eigenvectors belonging to the few isolated eigenvalues can be expected to be typically captured after only a few conjugate gradient iterations, which accelerate algebraic multigrid algorithms. Theoretical analysis and numerical results of some practical problems show the iterant recombination accelerates algebraic multigrid convergence.
第八章:先介绍用Krylov子空间迭代法加速一般多重网格方法收敛的基本框架,然后紧紧抓住引起代数多重网格方法收敛减慢的根本原因往往是误差减小对几个特别的误差分量不明显,这导致代数多重网格方法的迭代矩阵的几个特征值接近于1,而共轭梯度方法则能比较典型地捕捉属于孤立特征值的特征向量,从而推导出有效的共轭梯度加速算法和程序实现,不仅从一些具体的实际应用例子的数值结果去验证迭代复合加速收敛的效果,而且还从理论上分析了预处理共轭梯度法加速代数多重网格法收敛的机理。
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In order to overcome the defect of traditional methods and to find a new simply and effective time-domain method to eliminate the influence of boundary reflection. The main contents of studies and achievements are as follows: The liquefiable saturated sand dynamic character researches are conducted by means of the resonant column test and the dynamic tri-axial test; The undrain dynamic relationship between stress and strain, the damping ratio, saturated sand liquefaction mechanism, laboratory liquefaction standard, the effective factors of liquefaction are considered in laboratory. Liquefaction strength parameters used in element numerical simulation are obtained.
为克服传统方法存在的问题,寻求一种简单有效、能消除截断边界反射影响的时域有限元方法,本文主要开展了如下研究工作:对工程场地土体进行了标准贯入、静力触探、剪切波速等现场原位试验、室内动三轴试验以及共振柱试验,针对研究区域内可液化的饱和土进行了动力特性试验研究,分析了饱和土体的不排水动应力~应变关系和阻尼特性;对研究区域内的饱和砂土的液化机理,室内试验液化判别标准及影响饱和砂土液化的诸多因素进行了研究,得出了工程场地土体的抗液化强度指标等有限元模拟所需参数。
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There indeed are an abundant amount of anonymous ad hominem attacks from kobe lovers who don't corroborate their opinions, but if you ignore those and look at the rational posts, you'd understand too why the author's piece is also an unsubstantiated, undeveloped, and dishonest analysis- the only difference between the author's article and these anonymous posts you refer to is that the author's is 10 times longer and without the invectives.
这确实有很多匿名的带个人偏好色彩的攻击,这些言论来自科比的拥护者们,他们并不能说清自己的观点,但是如果你跳过这些去看那些理性的发言,你会明白为什么那个作者的文章是如此的五根据,未开化和分析多么不诚实——也许在作者和那些你所说匿名发言的的区别就在于,作者的言论是10倍的长,并且没有恶言。
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The storage modulus is increased with the increase of Cf, while the peak temperature of loss factor and the temperature of loss modulus are not changed with the variation of Cf, which means that the reinforcement of chitin fiber has no effect on the motion of molecular segment for PCL.
动态热机械分析表明,复合材料的储能模量随纤维含量的增加而增加,表征玻璃化转变温度的损耗因子松弛峰的峰值温度和损耗模量的温度都不随纤维含量的改变而变化。
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The distuibution of axial plane stubs and stub crossing points are non-uniform and quantity of them is not equal when the blade is made by using traditional design method of turbine. These are not benefit with calculating wood model and drawing. In this paper, to make blade wooden patterns is using blade mean camberline. This makes the wooden patterns meet the demand of the design and meet the shape of the runner blade. And this can agree with requirements of hydro and mechanical analysis and making the model of blade by using the numerical control machine. It has reference value to whole design of turbine.
针对传统方法设计水轮机叶片时,获得的轴面截线和截线交点疏密不均、个数不等、不利于叶片木模的计算和绘形的缺点,文中利用叶片叶型骨线数值生成叶片木模图,使新的木模图能够更好的体现设计要求和符合实际转轮叶片的形状,并能满足进一步的水力和机械分析以及数控机床制作模型叶片的需要,对水轮机的整体设计具有参考价值。
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The result shows that gravity wave excited by the tropopause forcing can propagate stably to the mesosphere through the stratosphere so that the energy and momentum can be transferred from a region to another. In the propagation, gravity wave undergoes growth, overturning, convection and breaking. The breaking of gravity wave is the important source of convection and smallscale waves, and convective instability and overturn are the character of nonlinear phenomenon.
分析结果表明,从对流层顶激发的重力波能稳定地经平流层传到中层顶,从而将能量和动量从一个区域带到另一个区域;在向上传播过程中,重力波经历了发展、位温翻转、对流直至最终破碎的演变;重力波的破碎是对流和小尺度波动的重要的源,对流不稳定和翻转是非线性现象的一个基本特征。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。