球幾何學 的英文怎麼說
中文拼音 [qiújīhéxué]
球幾何學
英文
geometry of spheres-
Sxotf is recognized in the northern qaidam based on the analysis of structures of area. this oblique trusting fault zone with northwestern - southeastern trending consists of fault gouge, fault breccia and fault cleavage. fault hanging wall consists of sertengshan - xitieshan napple, which is distribution in dextral en echelon. fault footwall consists of youcangshan formation in neogene
本文在對賽什騰? ?錫鐵山斜沖斷裂詳細地段構造解析的基礎上，結合盆地的沉積特徵、地球物理資料等對該斜沖斷裂的幾何學、運動學及形成時代進行了研究，論文著重探討了賽什騰? ?錫鐵山斜沖斷裂的地質意義。The water, which is the source of life, has a close relation with the growing of the human beings and the development of the city. the shore of river, ocean and lake is the cradle of humankind civilization. there is the original city in drainage areas of some rivers. the waterfront which has internal permanent attraction for humankind is the most sensitive area in urban environment and culture. however, at present days of the industrial civilization, with accelerating of urbanization and fastly enlarging of city size, some problems, such as the pollution of the environment, the lack of resource, the expanding of population, the traffic confusion, the unbalance of culture and the ecosphere crisis, have arised. these problems have badly influnced the development of urban waterfront. the whole world has know the importance of ecosphere crisis and the protection of environment but, how to treat the urban waterfront which is the typical environment of human living ? this article try to study the protection and utilization of resource, the development of economy and culture and the shaping of space landscape about the urban waterfront with the aspect of sustainablity development
但是在工業文明日益發達的今天，隨著城市化進程的加快和城市規模的飛速擴大所帶來的環境污染、資源衰竭、人口膨脹、交通混亂、文化失衡和生態危機等問題，嚴重地影響了城市濱水區的發展。生態危機和環境保護已經引起了全球的重視，而城市濱水區作為人類聚居的一個典型環境，該何去何從呢?本文試圖以生態學理論為基礎，用可持續發展的觀點從生態持續、經濟持續和社會文化持續等幾個方面對城市濱水區的資源保護和利用、經濟、文化的發展和空間景觀的塑造進行研究。Keanwhile, almost every new, industrial ideas has different re flection in the traditional uniyersity organizations such as knowledge - based organization, flexible human - based mangerent, horizontal structure, matrix structure, individuation, globlization and so on. in another word, universities are never short of these sodern organization ideas which closely related to the cu1tural characteristic. we have to ask if it is necessare for universities to judge their transfomional impulse and what is the purpose of re formation
更何況，在如今產業界中廣泛流行的各種新的理念，如知識型組織、以人為本的柔性管理、體現分權特徵的扁平化結構、組織整體運作的個性化意識和全球理念等等，幾乎在傳統的大學組織中都有不同程度的體現。換言之，大學先天上就從來不缺乏上述種種所謂的現代組織理念。而這些現代組織理念又無一不與大學的文化性格密切相關。Many planets ( for example, ganymede, mercury, the earth, jupiter and saturn ) and stars ( for example, the sun ) possess intrinsic magnetic fields. the explanation for their existence and variation remains a great challenge to planetary scientists and astrophysicists. this article attempts to review some recent developments and difficulties in the study of magnetohydrodynamics for the electrically conducting fluid interiors of planets and stars. it is the fluid motions, usually driven by thermal convection, that generate and sustain magnetic fields through magnetohydrodynamic processes in planets and stars. in planets, the magnetohydrodynamic processes are strongly affected by the combined and inseparable effects of rotation, magnetic fields and spherical geometry. the key dynamics involves the interaction between the coriolis and lorentz forces. in the sun, it is the solar tachocline, a thin shear flow layer located at the base of the convection envelope, that plays an essential role in the solar magnetohydrodynamic processes which produce the 11 - year sunspot cycle. some results of a new nonlinear three - dimensional solar dynamo model are also presented
許多行星（如木衛三，水星，地球，木星和土星）和恆星（如太陽）具有內部磁場.對這些磁場的存在和變化的解釋對行星科學家和天體物理學家是一個巨大的挑戰.本文試圖總結行星和恆星的導電流體內部磁流體力學研究的新近發展和困難.一般由熱對流驅動的流動通過磁流體力學過程產生並維持在行星和恆星中的磁場.在行星中磁流體力學過程強烈地受到轉動，磁場和球幾何位型的綜合影響.其動力學的關鍵方面涉及科里奧利力和洛倫茲力間的相互作用.在太陽中其流線，即處于對流層的薄的剪切流層在太陽的磁流體力學過程中扮演了一個基本的角色，並由之產生了11年的太陽黑子周期.本文也給出了一個新的非線性三維太陽發電機模型On the basis of lorenz - mie theory, this paper is devoted to the research on characteristics of intensity and spectrum distributions of each order rainbow for a homogeneous particle, with the usage of geometric optics theory, airy theory and debye theory
本文基於小粒子散射的lorenz mie理論，結合彩虹的其它理論（幾何光學理論、 airy理論、 debye理論）研究了均勻球、柱粒子各階彩虹強度分佈和頻譜特點。3 ) the part provided some advice aimed at real status, which included globalization and local innovation, local studying ability and improvement of elemental establishment, local development and assembled innovation, net conjoined with study and innovation, how to perform the sustainable development and so on
3 ）針對實際情況提出幾點建議，其中包括全球化和創新的本地化；地方化學習能力與基礎設施的提高；創新聚群與地區發展；學習和創新結成的網路化以及如何實施可持續的發展等。The discrete element method ( dem ) is a powerful tool in analyzing granular assembly. the granular discrete element method can be applied to the partials, whose shape can be approximately described as a sphere
離散元法（ dem ）是分析散體力學行為的數值方法，顆粒離散元法適用於單個幾何形狀可用圓球近似而不產生顯著差異的情況。Based on actual data and structural activity view point, by using structural analysis, and simulation experiments, this paper analyzed structural geomeory, structural activity and earth dynamics of structural evolution of cenozoic of offshore area in liaohe, and assessed structural evolution and its control over hydrocarbon geological events and hydrocarbon distribution. the following achievements are obtained : there can be concluded three structural patterns in offshore liaohe. they are extending, sliding and reverse structural pattern
本文以大量的實際資料為依據，以構造活動論觀點為指導，運用構造分析、層序地層學理論和模擬試驗等新概念、新方法和新技術手段，較系統地分析了遼河灘海地區新生代構造幾何學、構造運動學和構造演化的地球動力學機制，分析構造演化對油氣地質事件及油氣分佈的控製作用。In this thesis, a internal and external analyse and research about design, modeling and machining of ball - end cutters is reviewed. on the base of grinding trait of mk6335a five - axis numerical control drill grinder, in the present study, differential geometry, ruled surface concept, envelope and inverse - envelope theory, coodinate transfer and numeric analyse are used to develop a mathmatical model and systematic method for the design, analyse and simulation of ball - end cutters
本論文在國內外關于球頭立銑刀設計、建模、加工等方面研究的基礎上，根據現有的mk6335a五軸數控鉆尖磨床刃磨運動的特點，應用微分幾何、包絡與反包絡理論、坐標轉換、數值分析等理論知識，研究了基於五軸數控磨床加工球頭立銑刀的數學模型及分析與模擬。The orbit of venus, for example, is inclined 3. 4 degrees to earth ' s orbit, so even when venus is in the same direction as the sun ( “ in conjunction, ” as astronomers say ), most of the time it is too far above or below the ecliptic to cross the sun ' s face [ see top illustration in box on opposite page ]
例如金星軌道和地球軌道有3 . 4度的夾角，因此即使金星和太陽在同一個方位（天文學家稱之為合） ，大部份時候金星都遠在黃道的上方或下方，而不是橫過太陽表面（見右頁金星凌日的幾何學） 。Secondly, based on cutting edge geometric model and machining mode of mk6335a grinder, the rake face with constant normal rake angle and flank face with constant orthogonal clearance angle models of ball - end cutters are discussed. the cutting geometry angle parameters are solved and analyzed. moreover, the tool paths models of wheel which grinding are builded and the post - processing technique for coordination transfer is studied
然後，基於刃口曲線模型、五軸數控磨床刃磨運動方式和微分幾何的直紋面概念，本文推導與建立了具有等法前角的前刀面和具有等主后角的后刀面的球頭立銑刀數學模型，並對球頭立銑刀的刀具角度如刃傾角、主前角、法后角、主偏角等參數進行了求解與分析。Four parameters for determining the type of circuit of spherical four - bar linkage are defined. according to the relationship of these parameters, three types of circuit of spherical four - bar linkage are found, which is proved in view of geometry point. base on the theory of sphere triangle, an approach of identifying the circuit and branch defect of spherical four - bar linkage is proposed
首先提出了四個迴路類型判斷參數，根西安理工大學博士學位論文據這些參數之間的關系，將球面4r機構迴路分為三種類型，並從幾何的觀點進行了證明;然後基於球面三角理論，提出了球面4r機構迴路及分支缺陷識別的轉角符號法，而由空間第一組機構與其等效球面4r機構迴路特性的等效性，此方法對空間第一組機構的迴路和分支缺陷的識別同樣有效。Micro - lenses with a spherical gradient index ( grin are a new kind of optical device. their optical properties are chiefly depending on their non - uniform index distributions. there are many merits about them
梯度折射率（ grin ）微球透鏡及其陣列是一類新型光學器件，主要依靠介質特殊的非均勻折射率分佈以實現其各種光學功能，具有極簡單的幾何形狀。Using the method of micromechanics theory and the finite element method, the problem of electromagnetic field of spherical core - shell type particle is studied and effective permittivity forecasting formula of this particle is induced ; the forecasting results is confirmed by the finite element method ; the effect of material parameter and geometry parameter on the effective permittivity is studied
利用微觀力學方法和有限元方法，對核殼型球形顆粒夾雜的復合材料的電磁場問題進行了研究，得出了核殼型球形顆粒夾雜的復合材料的等效介電常數的預測公式，並用有限元方法進行了驗證：研究了材料參數和幾何參數對等效介電常數的影響。Based on the point of image - based rendering, and the technology of virtuality and reality combining, it yield the conception of virtual globe and its related thought, and takes the dispersed pixel element mutation as the nucleus, the principle of utilization geometry and graphics, 3d walk around is realized and true sense controls waits has carried on a series of research, has put forward the corresponding mathematical model, and has been in progress the improvement, and has got the better result to the tradition method
本文從基於圖像生成的角度出發，由虛實結合的構思引出了視球及其相關概念，並以離散的像素變換為核心，利用幾何學和圖形學的原理，在三維漫遊的實現及真實感控制等方面進行了一系列的研究，提出了相應的數學模型，對傳統方法進行了改進，得到了較好的結果。Parallax is a geometric effect : at the surface of the earth we are offset from the line through the centers of earth and moon, and because of this we can observe a bit ( about 1 ) more around the side of the moon when it is on our local horizon
視差是幾何學的效果:在地球的表面，我們透過地球和月亮的中心被從線彌補，而且因為這當它在我們的當地地平線上的時候，我們能觀察一點在月亮的邊周圍的更多。This paper is composed of two parts including 5 chapters. in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry - model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates. otherwise, through studying eclipse ' s shape and size, this paper uses a math - function - model to eliminating eclipse shadow
本文共有五章，主要內容分為兩部分；第一部分包括第二、三章的內容，利用可見光雲圖成像原理以及點的投影法，將平面雲圖投影到三維直角坐標的球面上，對用於雲圖陰影訂正的原幾何模型法加以改進，得到改進的幾何模型法，並進行日食陰影訂正實驗；本文還利用數學函數模型法，通過研究月球在地球表面投射陰影的形狀及其受影響程度，從另一方面進行可見光雲圖日食陰影的訂正實驗研究。In the field of geophysics and information technology, it is important to express a mass of data that may be abstract or invisible directly and visually, with the aid of computer graphics and image process techniques. so visualization not only provides convenient model material for engineering design, but also is helpful to the following analysis. and it can make all information to be displayed directly, so the problems can be discovered and analyzed correctly
在地球物理與信息技術領域，將科學計算中產生的大量非直觀的、抽象的或者不可見的數據，以圖形圖像的形式，直觀、形象地表達出來，除了可為工程設計提供方便好用的模型資料，而且可為下一步的數據解釋分析奠定基礎，使工作者直觀地看到地質現象的幾何形態、相互關系和分佈，從而準確的發現問題、分析問題。Landsat7, a resource satellite launched by nasa in 1999, has played an important role in remote sensing and exploring of earth because of its plentiful and high - quality images. many researchers are attracted to focus on it, especially radiometric calibration and geometric calibration in its ground processing system
Landsat7是nasa於1999年發射的資源衛星，其清晰穩定豐富的圖像組成了地球遙感勘察的重要部分，吸引了國內外眾多學者對它進行研究，尤其是地面處理系統中的輻射校正和幾何校正部分。Polymer gradient refrective index ( grin ) micro - sphere - lens are a new - type optical element of very simple geometrical shape, whose optical function is mainly achieved by the inhomogeneous reflective index distribution of the medium
梯度折射率（ gradientrefractiveindex ， grin ）微球透鏡是一類具有極簡單幾何形狀的新型光學器件，主要依靠介質內特殊的非均勻折射率分佈實現其各種光學功能。分享友人