面幾何體 的英文怎麼說

中文拼音 [miànjīhétǐ]
面幾何體 英文
face geometry
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  • 體 : 體構詞成分。
  1. The multibody dynamics has developed into an advanced subject on analytic geometry and motion analysis in these years

    近些年來，多剛體系統動力學已發展成為一門高度發達的解析幾何和運動學方面的學科。
  2. Xm ) trundle needle, trundleing the post thrust bearing trundles the needle through the roll part of the body, cylinder roller and thrust maintain shelf and the thrust bed down the livestock to make up, trundleing needle and the cylinder roller is subjected to the shelf maintaining that the thrust maintains and guides. moreover thrust bed down the livestock against the difference, shaft, the pedestal encircles and employs in company, fix module shaft shoulder end face and the shell opening back plane dimensional tolerance, geometry accuracy, rigidity, axial is moved up and down, coarse degree ought to accord with the internation ， national standard stipulation demand

    滾針，滾柱推力軸承由滾動體滾針，圓柱滾子及推力保持架和推力墊圈組成，滾針和圓柱滾子受到推力保持的保持架引導，並與不同的推力墊圈，軸，座圈一起使用，安裝組件的軸肩端面和外殼孔底面的尺寸公差，幾何精度，剛性，軸向跳動，粗糙度應符合國際，國家標準規定的要求。
  3. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。
  4. Two concepts of critical length of slope and maximum buckling place is defined here to evaluate its stability. applications of two practical projects demonstrate this method ' s accuracy and feasibility. at the same time, all the factors which maybe infect the slope ' s stability, such as the mechanical performance of joint and rock, physical and geometrical character of slope, are considered

    並以兩個實際工程實例驗證了本文方法的精確性及可行性；與此同時，本文對各影響因素如結構面的力學特性、巖體的力學特性及坡體的一些物理幾何特徵對該類邊坡穩定性的影響作了分析。
  5. The section of traditional portal rigid frame are constant cross - section and wedge shape variable cross - section, this paper brings up a component cross - section ? ripple web plate variable cross - section. according to main specially characterist of portal rigid frame, this paper use matlab to work out analytical software. it ' s concrete analysis includes : endogen force and displacement caculation of rigid frame, stability analysis in and out flat surface of rigid frame, geometrical nonlinear analysis of rigid frame. and make comparison between ripple web plate variable cross - section portal rigid frame and constant cross - section rigid frame

    傳統的門式剛架的構件截面為等截面和楔形變截面，本論文提出了一種構件截面形式? ?波紋腹板變截面。本論文根據門式剛架的主要特點，利用matlab高級編程語言編制了4個分析軟體，其針對性強，具體分析包括：剛架的內力與位移計算，剛架的平面內與平面外穩定分析，剛架的幾何非線性分析。
  6. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史，可以稱得上波瀾壯闊：一方面，從古希臘時代的歐氏綜合幾何，到近代解析幾何等多種幾何的發展，以及用變換的方法處理幾何的埃爾朗根綱領，到20世紀拓撲學、高維空間理論等幾何學的新發展，這一切都在不斷豐富人們對幾何學的認識；另一方面，從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系，到羅巴切夫斯基非歐幾何的發現，以及希爾伯特形式公理體系的建立，極大地發展了公理化思想方法，不管是幾何學的內容還是方法都發生了質的飛躍。
  7. Road wheel in this paper is created according to gb / t 3487 - 1996 and application of load is simulated the actual situation. ansys finished is used to build model of road wheel, divide finite element graticule, apply boundary load, and define material properties, which are submitted to ansys to analyze strength

    在車輪的構建上，本文採用了三維繪圖軟體ug ，在ug中首先完成車輪幾何建模，然後導入到ansys裏面進行修改並進行有限元網格的劃分，邊界載荷的加入，材料特性的定義，對車輪進行強度分析。
  8. Because 3d surface model contains huge number of triangles, a mesh simplification algorithm based on triangle edges shrinkages is presented in this paper to speed up the rendering in real time. in chapter four, the cutting of reconstructed 3d models is explored. in order to observe expediently the size and interspaces structure of inner tissues and avoid the discommodiousness of surface reconstruction, a simple cutting methods based on ray - casting algorithm is presented to get the inner images information

    第三章主要對marchingcubes （ mc ）表面重建演算法進行描述， mc演算法是基於規則體數據抽取等值面的經典演算法，本文實現了這種等值面構建表面模型的演算法，並對其演算法的二義性進行了相應的處理；針對其重建速度較慢的問題，提出了體素間相關性處理的方法來加快重建速度；並對其生成的表面幾何模型所包含三角面片數量巨大的問題，提出一種快速有效的三角形邊收縮演算法進行網格簡化，提高了表面模型的繪制速度。
  9. Abstract : this paper mainly utilizes the methods of formula, isometric transform, cut and complement, extremes and analyzing special section to calculate the volume in solid geometry

    摘要:文章探討了用公式法、等體積變換法、割補法、極值法、分析特殊截面等方法求立體幾何中幾何體的體積。
  10. With checking and optimization, some rational suggestions on bridge location, shape and overall arrangement is put forward. after construction checking, the author also puts forward some requests for construction pre - cove and safety pier setting, at the same time gives optimum design on joint balance pier. construction structure checking indicated that not only the strength and stability coefficient of rotation stiffness framework is affluent, but also the section size

    通過驗算及優化，對該橋推薦方案的橋址、武漢理工大學碩士學位論文橋型及橋梁總體布置提出了合理化的建議;通過施工驗算，對施工預拱度及保險墩的設置提出了要求，對交界平衡墩進行了優化設計;施工結構驗算表明，轉體勁性骨架強度、穩定性富餘系數較大，截面幾何尺寸過大，結構設計過于安全保守，並提出了結構優化的方法，從而大大節省了工程投資，加快了工程進度，增強了橋梁的美觀。
  11. You should not include any sort of text or logos in your geometry or textures

    不可在幾何體或表面材質中加入任何文字或標志。
  12. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  13. A ruled surface of revolution formed by an edged circle as the guide element is proposed in the category of basic geometrical bodies

    摘要在基本幾何體的范疇內，提出一種以棱圓為導元素的直紋曲面。
  14. At present, the studies on this are mainly focus on the surface geometry structure. little is payed for the electronic structure. in this dissertation, the surface properties of high miller index surface of metals and semiconductors were studies by using the molecular dynamics method, the scattering theoretical method and the ab initio quantum mechanical molecular dynamics simulations

    金屬和半導體材料的高密勒指數表面是目前表面科學研究的一個熱點問題，也是值得更進一步研究的問題，目前的研究主要集中在對表面幾何結構的確定，而對表面電子特性的認識幾乎很少涉及，本文根據目前實驗上對一些表面已有的研究結果，在理論上對一些金屬、半導體的高密勒指數表面的表面能和表面電子結構進行了研究。
  15. Since displacement mapping is applied to the geometry of a surface, rather than to its shading, the normals of a displaced surface must be perturbed in tandem with the actual displacement in order for things to look correct in the render

    因為置換貼圖是賦予到一個表面的幾何體上，強于賦到它的材質上，顯示表面的法線必須用實際的置換來擾亂，為了在渲染時校正正確的外觀。
  16. Partial coincidence. unable to split solid. try moving the splitting plane. non - manifold condition. unable to split solid. try moving the splitting plane

    出現以下錯誤時，幾何體幾乎與分割平面重合。向遠離重合數據的方向略微移動平面通常會解決此問題。狀態行將指明有錯的分割平面。
  17. A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第四章提出了一種新型的隨機振動聲輻射計算方法?統計分佈源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲輻射算例，從計算精度、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對統計分佈源邊界點方法的有效性進行了考證。
  18. The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第三章導出了邊界點方法分析振動聲輻射問題的誤差估計理論公式，揭示了邊界點方法分析振動聲輻射問題的物理本質；研究了特解場的局部特性對邊界點方法的數值穩定性的影響；改進了現有的特解場構造方法，提出了改進體積源邊界點方法；通過諸多不同邊界曲面和不同邊界量分佈的聲輻射算例，從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面，對改進體積源邊界點方法的有效性進行了考證。
  19. As long as teacher the ability is basic to control the ability of use the calculator, training slightly more can from such as of made use of them to press own will to manufacture the small software, own teaching process of close match, carry out the calculator extended education, have a terrace that useds for several teachings to be called " several drawing board " to suit to used for the plane geometry, analytic geometry and project image now several how teaching in usage, also can used for the mechanics, several optics within the physics teaching to combine with the mathematics model, several pictures closely parts of courses

    只要教師能基本掌握使用計算機的能力，稍加培訓就能夠自如的運用它們來按自己的意願製作小軟體，緊密配合自己的教學過程，實現計算機輔助教學，現在有一個用於幾何教學的平臺叫作「幾何畫板」它適合用於平面幾何、解析幾何、射影幾何等教學中使用，同時也能用於物理教學中的力學、幾何光學與數學模型、幾何圖像結合密切的部分課程。
  20. In general, there are two types of ffds : deformation with a lattice and deformation with constraints. we present an approach to deform arbitrary meshes based on geometric primitives

    另一類是基於「約束」的，約束可以是一個空間的點、線、面或幾何體，求解滿足給定約束偏移的物體形變。
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