邊界表示 的英文怎麼說

中文拼音 [biānjièbiǎoshì]
邊界表示 英文
boundary representation
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ動詞(擺出或指出使人知道; 表明) show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] (給...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  • 表示 : show; express; mean; indicate; expression; presentation; signifying; remark; representation
  1. Each year, some half a million visitors from around the world come to tombstone to tour its historic downtown of saloons and stagecoaches, pay their respects to fallen frontiersmen at the boothill graveyard, and see dramatic reenactments of old west history

    每年,都會有大約50萬來自世各地的遊客來到墓碑鎮,游覽鎮中心的酒吧和驛站馬車,在靴山墓地向逝去的那些當年的疆先民敬意,觀賞經過重新演繹、栩栩如生的老西部的故事。
  2. A linesman signaled " off - side ", but the referee overruled him and ordered " play on "

    一個巡員做手勢「出」 ,但裁判員否決了他的裁定並命令「繼續進行比賽」 。
  3. The seven forms used to de - pict body in compu ter memory are analyzed and paralleled. the bo - rder expression is utilized as the primary data structure in th - is model system

    分析並對比了計算機內部形體的七種常用形式,採用了邊界表示作為該系統的核心形式,並選用了輻射結構作為核心數據結構。
  4. First, the contour is represented by chain code, and then we find the possible matched contours by area rules and boundary rules, and computer ? aided automatic paper fragments reassembly is also realized in this paper

    首先採用鏈碼碎片輪廓,然後通過碎片旋轉進行搜索,採用準則和面積準則進行碎片之間相似的匹配部分的判斷,達到碎紙自動拼接的目的,實現了基於計算機輔助的碎紙自動拼接復原。
  5. An integral formula for bounded domain with piecewise smooth boundary in cn

    空間中具有逐塊光滑的有域上光滑函數的積分
  6. A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane

    全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能,用fdtd方法並結合pml處理技術對該天線所取得的研究結果顯,本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的面波,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。
  7. A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident

    用亥姆霍茲-基爾霍夫積分定理和基爾霍夫條件,推導出了平面波經小圓孔非傍軸衍射時軸上強度的簡單解析達式,研究了平面波經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式,重新檢查了通常的菲涅爾數公式的有效性.數值計算顯,應用解析達式所得的結果與應用衍射積分公式所得的結果完全一致
  8. The key techniques for reverse engineering based on ct image are introduced. 3d reconstructed surface model does n ' t possess full geometry and topology information as solid geometry model. this dissertation presents an algorithm for rebuilding solid model from triangulated patch surface mod

    介紹了基於ct圖象反求的主要技術;針對重建三維面模型不具備象實體幾何模型的數據那樣的完備信息的特點,提出一種基於ct圖象的反求技術的實體幾何造型方法,將重建模型轉換為邊界表示的實體模型,並將其作為本研究所開發的特徵造型系統3dmodeler中的一種反求工程實體造型手段。
  9. According to one of the world ' s leading specialist in ancient inscriptions, andre lemaire of the sorbonne university in paris, the aramaic words etched on the box ' s side show a cursive form of writing used only from about 10 to 70 ad

    根據世上首屈一指的碑銘研究家,巴黎索邦大學的李梅爾教授,刻在藏骨棺旁的阿拉姆文字,是以一種僅在西元10到70年間使用的草寫方式完成的。
  10. The explicit formulas for the second type of hua domain and two types of generalized exceptional hua domain are obtained in the first chapter of this article : whether a domain is complete with respect to bergman distance is studied in the second chapter of this article, and we prove super - cartan domains which are special types of hua domain are complete with respect to bergman distances ; the integral representation for the first type of super cartan domain which is based on its characteristic boundary is got in the third chapter of this article : a sufficent and necessary condition that a bounded domain in cn is biholomorphic to the classical domain is given in the fourth chapter of this article

    第一部分給出第二類華羅庚域和兩類廣義例外華羅庚域的bergman核函數的顯達式;第二部分研究bergman度量的完備問題,證明了超cartan域(一種特殊的華羅庚域)關于bergman度量完備;第三部分給出了第一類超cartan域的建立在其特徵上的積分公式;第四部分則給出了c ~ n中的有域全純等價于典型域的充要條件。
  11. He says he would prefer to have mexican laborers remain here rather than cross the border illegally to work in the united states

    他還他更希望墨西哥勞動力在本地就業,而不是非法越過到美國工作。
  12. From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3

    在二維非均勻介質逆散射識別的數學模型(包括一般的非均勻介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的識別的積分方程和指函數方法,由於積分方程的核充分徵了散射物的,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的
  13. From mathematical models for inverse scattering in two dimensional homoge - nous media including dirichlet, neumann, robin, all kinds of probable mixed boundaries and cracks, direct and inverse scattering are discussed, and ill - posed integral equation and indicator function method are formulated for the diverse of boundary identification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solv - ing it by virtual of regularity method, meanwhile, some numerical tests are given. 2

    在二維均勻介質逆散射各種識別的數學模型(包括dirichlet , neumann , robin ,各種可能的混合問題,裂紋問題)下,分別考慮了正散射問題和逆散射問題,推導了上述各種識別的不適定積分方程以及指函數方法,由於積分方程的核充分徵了散射物的,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的,並給出了一些數值實驗。
  14. On the basis of the work in xie et al. 5, xie et et al. 7 and liang et al. 8 established a dynamic repre - sentation of the groundwater table in a land surface model through reducing it to a moving boundary problem and solving it by the mass - dumped finite element method

    基於以上工作,謝正輝等7 , liang等8通過將地下水位動態問題歸歸結為運動問題,用有限元集中質量法直接求解,建立了地下水位的動態模型
  15. An accelerated direct rendering algorith of isosurface for 3d data sets is presented. the problem for calculating the intersections of the ray and the bounding cells pierced by the isosurface can be viewed as the problem of sampling alonga 3d discreteray. it is shown that the algorithm is better on memory requirement and speed than traditional algorithm through its realization on pc

    提出等值面直接顯演算法,充分利用數據空間的相關性,把體素分為體素和內部體素,並採用體數據邊界表示法,降低了內存.繪制等值面時,將視線與體素的求交運算轉化為對離散視線上點的掃描,避開對整個體數據空間的遍歷,從而減少了計算量。
  16. First we abstract the real world to construct the 3d geometrical model by polygons, then after the site and direction of observation is specified, we can create a virtual reality scene after a process of polygons drawing, staining, concealing, lighting, projecting

    首先對真實世進行抽象,從而建立其3d幾何模型,一般用多。在給定觀察點和觀察方向後,利用計算機實現多形繪制、著色、消隱、光照以及投影等一系列過程,產生虛擬場景。
  17. Under opengl environment, we use four - side grids to reconstruct a worm surface and gain a solid modeling of worm. under the computer virtual reality environment, we simulate the manufacturing process of dual generating method

    在此基礎上,在opengl編程環境下,以四形網格構造蝸桿理論型面,以邊界表示法中的半數據結構達蝸桿實體,獲得蝸桿的三維實體模型及其型面數據。
  18. This provide a basis for further application such as feature editing and so on. unlike traditional method which modifies b - rep or csg to adapt feature - based modeling, the feature - based represent model for the product which based on identifying system is presented. the represent method need not change the b - rep of solid model and can map feature - based model to b - rep - based model

    不同於通常的對邊界表示法或csg法進行改造的模型方法,提出了一種基於標識子系統的特徵模型,一個零件的特徵模型和其低層的幾何實體模型通過標識子系統進行映射,從而不必修改現有的邊界表示模型而能滿足特徵造型的需要並能充分利用已有的實體造型功能。
  19. This thesis develops research on efficiency issue for reconstruction based on the b - rep method. it primarily resolves low efficiency issue of judging and removing pseudo elements and decision - making

    本文針對基於邊界表示方法的二維視圖重建三維實體重建過程中存在的效率問題展開研究,主要解決了假元判定與刪除演算法和決策求解演算法的低效率問題。
  20. 2 ) for making the meshes consistent on the common boundaries of adjoining surfaces, a new approach of boundary discretization is employed. 3 ) the boundary - representation structure is adopted to fulfill the mesh generation over combined surfaces. 4 ) the quality of surface meshes is improved by point creation on 3d scan lines and diagonal swapping procedure

    通過引入可移動的虛解決了閉合曲面的剖分問題;通過對鄰接曲面公共的統一處理,保證了組合曲面拼合處網格的相容性;以邊界表示數據結構為基礎實現了三維組合曲面的全自動網格剖分;採用空間掃描線布點、診斷交換等技術,優化了網格的質量;並以autocad為支撐平臺objectarx為開發工具,開發了一個基於幾何造型的曲面三角形網格全自動生成程序。
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