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Based on analytic method and set operation method,the geometric characteristic s of the intersection and union of two or three cylinders with their axes intersecting perpendicularly were studied.

采用解析方法和集合运算方法,首先对柱柱正交中的交集体和并集体的几何特性进行了研究,推导出了它们的表面积和体积的解析表达式。

In this article, we, firstly, give detailed discussion on this point from both perspectives of Analytical Geometry and Matrix Theory, and, furthermore, come to inverse conclusion with instance calculation results.

本文首先从空间解析几何与矩阵理论对此进行了详细分析,依据实例计算结果进一步引出了相反的结论。

First of all, I think the most important thing is to observe and analytical capacities.

首先我认为最重要的是观察能力和分析能力。

At first, in the essay I have a historic analyzation about the thoughts on national interest, inquire into the historical cond...

本文首先对国家利益理论做了历史的梳理;探讨了邓小平国家利益观形成的历史条件;并在结合国内外学者研究成果的基础上分析了其在理论上实现的创新。

First of all, we have to analyze China's current level of development.

首先,我们要分析中国现阶段的发展水平。

First introduced on the HC5500, Mitsubishi's Dual Mode Anamorphic Stretch allows the viewer to install an anamorphic lens permanently in front of the projector, rather than on a moving track.

首先,关于HC5500,三菱的双模拉伸变形使观众介绍了安装一个永久变形镜头在投影机前面,而不是一个移动的轨道。

Firstly, it discusses the principle of adaptive interference chancellor, including broad band signal and narrow band signal; Secondly, it analysises one common algorithm used in adaptive interference chancellor, that is, LMS algorithm and its anamorphosis algorithm especially normalized LMS algorithm pointing out their relationship. After then, the paper talks about the structure and reality of canceling broad band noise in narrow band signal and narrow band noise in broad band signal and gives it's result simulation analyzing the factors affecting the power of the algorithm. In the last party, it gives the hardware design and assembly language software design using TMS32OC3 1, including the result of simulating.

首先,本文讨论了自适应干扰对消的原理,并对窄带信号和宽带信号两种进行了分别分析;然后本文对自适应干扰对消中常用的算法—LMS算法进行了分析,同时也讨论了LMS算法的变形算法,尤其是归一化LMS算法,并指出了这些算法的相同和不同之处;此后,本文讨论了窄带信号中的宽带干扰对消和宽带信号中的窄带干扰对消的结构及实现方法并给出了住址的结果,分析了影响干扰对消效果的因素;在论文的最后,给出了用TMS320C31实现窄带信号中的宽带干扰对消的硬件设计和汇编程序设计,以及汇编语言程序的结果,并就此结果与高级语言程序的结果作了比较。

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。

Project Management is one of the important new management technique which was developed from producing complicated systems of big scale, high cost, and strictly on requirement of schedule in the anaphase of the World War II. It was applied to engineering construction and new products development at first.

项目管理是第二次世界大战后期从生产大型、高费用、进度要求严格的复杂系统而发展起来的重大管理新技术之一,它首先即应用于工程建设项目和新产品开发。

Meanwhile,anatase form of TiO_2 thin films were prepared by anodic oxidation of titanium plates.

首先通过高温热解的方法合成了不同尺寸的CdSe量子点。

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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。