查询词典 major principle

This thesis discussed three kinds of major technologies to reduce high PAR on the basis of the principle of OFDM system: pre-distortion technology techniques (clipping and filtering, peak windowing and companding technique), code techniques (Reed-Muller coding algorithm of Golay complementary sequence), and scrambling techniques (selected mapping, partial transmit sequence and selective scrambling), these techniques have some certain limitations.

本文在介绍OFDM理论的基础上，专题讨论了抑制高峰值平均功率比的三类主流技术：信号预畸变技术(限幅滤波、窗函数和压扩技术)、信号编码技术(Golay互补序列的Reed-Muller编译码算法)和信号扰码技术(选择性映射技术、部分传输序列技术和选择性扰码)。

Based on the necessity, principle, method and significance of new evaluation system, this thesis is to discuss related problems in "external pelvimetry" operation evaluation standard of the Nursing major in Guilin Nurses School.

课程改革纲要》明确提出"改变课程评价过分强调甄别与选拔的功能，发挥评价促进学生发展、教师提高和改进教学实践的功能"，为新课程的教育评价改革指明方向[1]。

English Description The major purpose of this course is to provide a common framework in the basic principle and future development of solar energy to students.

Chinese Description 这门课程的主要目的就是提供学生对於太阳能的基本原理和未来发展有一个基本架构的认识。

It is well established by successfully combining three of the major themes of modern physics: the quantum theory, the field concept and the principle of relativity.

它结合了现代物理中三个主要的概念：量子理论，场的观念和相对论性原理。

Section 5 bases on analysis of theory and these problems in foregoing 4 parts, then fundamental thinking on establishment of curriculum system on pre-professional education of teacher in local advanced normal universities is suggested at angles of training target and patterns, selection of curriculum value orientation, guideline and basic principle on reform of curriculum, etc. Meanwhile, major of Mathematics and Applied Mathematics is taken as instance and a configuration scheme of curriculum on pre-professional education of teacher in local advanced normal universities is developed with integrated local feature, multi levels, openness and selectiveness.

第五部分立足于前四部分的理论分析和问题剖析，从培养目标与培养模式的确立，课程价值取向的选择以及课程改革的指导思想、基本原则等方面入手，提出了构建地方高师职前教师教育课程体系的基本思路，并以数学与应用数学专业为例，研制了一个融地方性、层次性特点和开放性、选择性特色于一体的地方高师职前教师教育课程设置方案。

This paper is the results of a 3 year research program for sprag overrunning clutch. It introduces research background of the paper, research states of in home and abroad, major research content, classifying and operating principle of sprag overrunning clutch. A method is discussed for sprag overrunning clutches design, including configuration design, force analysis and FEA. A computer program is developed and applied to the h-tech project.

本文首先简要介绍了论文研究的背景、国内外的研究现状、主要研究内容、超越离合器的分类和斜撑超越离合器的工作原理；然后，详细阐述了运用现代先进技术开发高速斜撑超越离合器的结构设计方法、受力计算方法和有限元分析方法。

In this thesis, three major achievements were made in theoretical study: conditions and rules for preparing nano-powders by chemical precipitation are analyzed from the point of view of thermodynamics and kinetics, the principle, standards and experimental method for the aqueous dispersion of nano-scaled metal oxide powders were proposed and verified, mathematical model of nano-filming addition of dopants by chemical coprecipitation was established. In experimental research, nm-ZnO, nm-Bi〓O〓, nm-Co〓O〓 and nm-MnO powder with spherical shape, narrow particle size distribution and small particle size were prepared successfully, highly stable and dispersive aqueous suspensoid of nm-ZnO, nm-TiO〓, nm-Co〓O〓 and nm-MnO powder were prepared successfully and surface modification on these nano-powders was also achieved, 0-3 nanocomposite ZnO varistors with nm-ZnO, nm-TiO〓and nm-MnO respectively were prepared successfully by conventional mechanical attrition, and exhibited much better electrical properties than those of conventional varistors.

综上所述，本文在理论研究方面取得了三项成果：（1）从热力学和动力学角度推导并分析了液相化学沉淀法制备纳米粉体的反应条件和规律，（2）提出了纳米氧化物的水分散体系的设计原理、规范和通用实验步骤，（3）提出了共沉淀的数学模型和计算方法；在实验方面所取得的成果有：（1）成功制备了粒度小、分布窄、形貌对称的纳米氧化锌、纳米氧化铋、纳米氧化钴和纳米氧化亚锰，（2）成功地制备了纳米氧化锌、纳米二氧化钛、纳米氧化钴和纳米氧化锰的高稳定分散悬浮液并实现了干粉体的表面改性，（3）成功地进行了纳米氧化锌、纳米二氧化钛和纳米氧化锰对压敏电阻的0—3复合掺杂实验，试样性能远优于常规压敏电阻，为实现压敏电阻的高能高压化提供了新的方法和思路。

This article mainly simulates gradually damage destruction process of rock, major in determinationg the definition of rock three-dimensional damage tensor, simplify to the damage tensor and obtain its engineering calculation method, and obtains the basic expression form of equivalent stress by equivalent stress assumption, symmetrization to the actual stress, thus obtains construction relation of the festival principle of three-dimensional damage rock mass, finally couples elasticity- plasticity with damage in the finite element equation, with reference to elasticity-plasticity gradually degenerated method thought, simulates rock damage to advance gradually the destruction process in finite element method, draws up elasticity - plasticity and damage coupling two-dimension finite element procedure with the C language in the VC contact surface, by simulating experiment destroyed process, acquires destruction image and the axial load distortion curve of model, agreement with the experimental result.

本文主要模拟岩石渐进损伤破坏过程，确定岩石三维损伤张量的定义，对损伤张量进行简化计算并得出其工程计算方法，采用等效应力假设得出有效应力的基本表达形式，对有效应力进行对称化，得出节理损伤岩体的三维本构关系，在有限元方程中实现弹塑性和损伤耦合；借鉴弹塑性渐进退化方法的思想，采用有限元的方法模拟岩石损伤渐进破坏过程，用C++语言在VC界面编制了弹塑性和损伤耦合的二维有限元程序，通过模拟已有的实验破坏过程，得出模型的破坏图像和轴向荷载变形曲线，与实验结果基本一致。

Except existing 22 major series of over 3,000 varieties, the perfection of integrated research and development system of Shuangli products and the systematic project, cocurrent project, value project and the application of the principle have formed the dynamic guaranteed system.

除现有的22大系列3000余个规格品种的典型产品外，双力集成化的产品研发体系的完善，系统工程、并行工程、价值工程及可拓学原理的应用，形成了基于敏捷竞争的动态保障系统。

The French philosopher Jacque Derrida is the founder of Destructionism Theory and the Ruassian philosopher Bakhtin is the creator of Carnival Poetics. With Derrda's major destructive key words, diffěrance, la dissěmination and the basic principle of Derrda's Character Theory, I analyse the destructive tactics of Wulitou Comedy Movies throughout its conceiption, narration, and performance.

本文重点结合法国德里达的解构主义理论和前苏联巴赫金的狂欢化诗学理论，从&延异&、&播撒&等几个解构主义重要概念，以及作品的艺术思维、人物形象、体裁修辞、作品世界几方面的狂欢化特色来具体分析无厘头影片喜剧性的的解构与狂欢特征。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。