構造幾何形狀 的英文怎麼說

中文拼音 [gòuzàojīhéxíngzhuàng]
構造幾何形狀 英文
structural geometry
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 造 : Ⅰ動詞1 （做; 製作） make; build; create; produce 2 （假編） cook up; fabricate; concoct 3 [書面語...
  • 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
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 構造 : structure; construction; constructional detail; tectonic; structural; makeup; anatomy; constituti...
  1. Aiming at the lack of traditional ploting method in the areas of three dimension graphics, the b - spline surface is adopted. in order to more easily build the b - spline surface the control points are replaced with one center point during the storage, and make it clear to simulate the curve of branches

    在三維圖形的繪制方面，針對傳統繪制方法的不足，採用b樣條曲面來構造三維幾何模型，在曲面的生成及存儲過程中用一個中心點代替多個控制頂點，將對曲面的控制轉為對曲線的控制，使得對枝條形狀的模擬更加方便直觀，並且減少了存儲空間。
  2. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    （ 3 ）深入分析了2d對稱性目標透視成像的幾何特點，將共點四線交比用於目標輪廓上的關鍵點的特性描述中；利用調和共軛關系，提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法；利用交比關系構造了目標的形心不變量，提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法；進一步利用3d不變量和2d射影變換，實現了一定條件下的對稱性目標的形狀恢復技術。
  3. Because cast steel can be made to suit almost any geometry, it makes for a gradual and elegant architectural transition between individual structural members

    因為鑄鐵可以鑄造成幾乎任何的幾何形狀這使得獨立構件間的建築上的過渡變得緩和、優美。
  4. Believed to be the first use of cast steel for railway bridge structures in germany ? and perhaps the world ? the viaduct ' s cast steel connections underwent substantial testing to determine their static and dynamic behavior

    因為鑄鐵可以鑄造成幾乎任何的幾何形狀這使得獨立構件間的建築上的過渡變得緩和、優美。
  5. In order to study the uniqueness and complexity of reflection seismic pilot detecting technology in southern coalfield, and according to the southern coalfield stratigraphic features and characteristics of seismic waves observed, the thin dielectric model both transversely isotropic and anisotropic was set up

    摘要南方煤礦薄層狀介質存在各向異性和橫向各向同性並存的情況，其煤層的物性條件及其賦存情況的幾何形態又有利於槽波的形成，且地層地質構造發育，瓦斯、水等災害嚴重，這些特徵造成了南方煤礦薄層狀介質中反射地震超前探測技術的復雜性和特殊性。
  6. It has a large region of application in solid rocket motor grain design and has made new improvements compared with other available codes. user can easily and rapidly build his initial grain shapes and then obtain geometric information of his design. according to the theory describeds in the paper, the regressions of the burning surface area and the pressure are obtainded

    該系統擴展了固體火箭發動機裝藥的設計能力，用戶可利用它簡捷地構造出三維藥柱的初始形狀，並獲得設計所需的各個幾何參數，進而依據本論文提出的復雜三維藥柱內腔燃燒推移和燃面計算的方法，計算出燃面變化和壓強變化，得到推力隨時間變化的曲線，再依據這些計算結果進行再設計，直至達到滿意的結果為止。
  7. In the second chapter, a class of polynomial blending functions of degree n + 1 is presented. based on the functions, we present polynomial curves with some shape parameters. the generated curves are similar with the degree n bezier curves

    第二章給出一類n + 1次多項式調配函數，並由此構造了帶形狀參數的多項式曲線，生成曲線具有與n次b zier曲線類似的幾何性質。
  8. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列，它是許多物理因子相互作用的綜合反映，蘊藏著參與運動的全部變量的痕跡，傳統的時序分析是直接從這個序列去形式地分析它的時間演變，一維分析必然喪失許多有用信息，相空間重構方法的特點是把一維標量數據構造成高維矢量，支起狀態的幾何空間，在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點，對響應時間序列進行分析，利用符號動力學、重構相空間等方法，提出一種有理論依據的系統數學模型關聯度分析方法，從而達到修正計算數學模型，使其更符合實際系統狀態的目的。
  9. Secondly, based on the theories of computer graphics and computer aided geometric design, and according to the traits of automobile panels, the related theory and experience about 3d geometric expressing of automobile panels are described. it is studied to the constitution methods of typical surfaces forming the surfaces of automobile panel, fairing quality and error analysis and optimization of reconstruction surfaces, and the storage structure of " half " edge for 3d model, data changes in different stamping steps and data exchange among the different software

    然後，在計算機圖形學和計算機輔助幾何設計等理論的基礎上，根據汽車覆蓋件的特點，歸納總結了適用於汽車覆蓋件三維形體幾何表達的相關理論和經驗；研究了構成汽車覆蓋件曲面的典型曲面構造方法，重構曲面的光順品質分析、誤差分析與曲面品質優化的方法，三維重構模型的「半」邊數據結構、不同沖壓工序中的數據演化以及不同軟體平臺之間的數據交換；提出了根據周邊曲面的形狀特點構造交匯曲面的方法。
  10. The vacuum infusion molding process ( vimp ) is becoming increasingly popular as a new type of liquid composites molding process for the production of large composite parts with complex geometry, whose outstanding process properties make it the most competitive manufacturing technology with high quality and low cost

    真空注射成型工藝（簡稱vimp ）是一種制備大型、加筋異型、幾何形狀復雜構件的復合材料液體模塑成型新技術。 vimp優越的工藝性能使其成為當今國際上炙手可熱的高性能低成本復合材料製造技術。
  11. 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。
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