表面造型 的英文怎麼說
中文拼音 [biǎomiànzàoxíng]
表面造型
英文
surface modeling- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 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...
- 造 : Ⅰ動詞1 (做; 製作) make; build; create; produce 2 (假編) cook up; fabricate; concoct 3 [書面語...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
- 造型 : 1 (創造物體形象) modelling; profiling; mouldmaking 2 (創造出來的物體形象) model;mould3 [機械...
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A detailed introduction was made to the properties of the wet coated sand suitable for multi - station shell mould shooting machine ; the development of a sort of high strength coated sand with low resin content : the shaping index and wetness adjusting process : analysis and prevention of peel back defect of shells made with overturning hopper process ; test method of peel back resistance of coated sand : pinhole defect analysis of high ni ductile iron shell mould castings and application of anti - pinhole coated sand
詳細介紹適用於吹砂式多工位殼型機的濕態覆膜砂性能;高強度低樹脂量覆膜砂的研製;濕態殼型覆膜砂的成形性指數與調濕工藝;翻鬥法制殼時的脫殼問題分析和解決辦法;覆膜砂脫殼性檢測方法;高鎳球鐵件殼型鑄造表面針孔原因分析與抗針孔覆膜砂的應用。With the development of computer technology and free - form surface modeling, body plan description on the computer has been converted into hull surface model simulation in which more information is included so that hydrostatic properties calculation can be carried out with hull information directly
隨著計算機技術與復雜曲面造型技術的發展,計算機上的船體型線的描述,目前已發展成為三維曲面乃至三維曲面實體表達。與線框圖相比,三維圖形中包含的信息更為豐富,實現了計算機上船體模型的模擬。Sand - removing of large and medium sized castings, deoxidization of forgings, heat - freated pieces, steel plates, steel pipes, sections and steel structures, surface treatment before plating
2大型、中型鑄件的清砂。鍛造件、熱處理件的去除氧化皮、鋼板、型鋼及鋼構件的除銹及表面強化。The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite
採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。Until about 1770 pianos were abiguous instruments, tansitional in construction and uncertain in status. as modified harpsichords or clavichords their outward appearance and quality of sound betrayed their origins
直到1770年左右造型傳統、地位不明的鋼琴仍是一種模稜兩可的樂器。作為大鍵琴或翼琴的改進版,鋼琴出色的表現和音質將它的祖先遠遠的拋在了後面。Luminaires that conform to the safety standard should bear proper markings of rated voltage, rated frequency, rated power, number and type of lamp bulbs, model number, mark of origin ( manufacturer nametrade mark ) and symbol for suitability or non - suitability for direct mounting on combustible surfaces where applicable
符合安全標準的燈飾須有適當的標記,包括額定電壓、額定頻率、額定功率、燈泡的數目和類別、型號、原產地標志(製造商名稱或商標) 、是否適宜於直接安裝在可燃物質表面的標志等資料。The macao venetian, of about 2, 000, 000, 000 dollars, was invested by las vegas sands inc and located on golden light avenue, with a occupational area about 10, 500, 000 square meters, and the roof and metope are steel structures with sculpts
澳門「威尼斯人」工程,是由美國拉斯維加斯金沙集團股份有限公司,投資二十億美元興建,該工程位於澳門路?金光大道,佔地面積一千零五十萬平方尺,其中頂部、墻面都採用鋼結構材料表面加造型。Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling
3 )函數的概念,並建立了bsc 、 bbc和tbsc 、 tbbc曲線曲面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc曲線曲面的構造、表示、性質,特徵、演算法;常用曲線曲面的bsc 、 bbc表示;基於bsc 、 bbc理論的曲線曲面的重新參數化方法; bsc 、 bbc理論在曲線曲面的重新參數化和實體造型中的應用。論文分為六個主要部分。It is not hard to conclude that the theory can also be used to solve the problem of reparametrization of curves and surfaces. the fifth part is the expression of normal curves and surfaces in the form of bsc and bbc. the last part involves the applications of the theory of bsc and bbc curves and surfaces in the field of reparametrization of curves and surfaces and entitative modeling
主要研究bbc函數的構造、表示和性質, bbc曲線曲面的表示方法,曲線曲面的參數方程以及它們的性質和特徵, bbc曲線曲面b zier曲線曲面的關系, bbc曲線曲面的相關演算法;第四部分是tbsc和tbbc曲線曲面理論,涉及tbsc和tbbc函數的概念, tbsc和tbbc曲線曲面的方程及其與b樣條曲線曲面以及b zier曲線曲面的關系;第五部分是常用曲線曲面的bsc和bbc表示;第六部分是bsc和bbc曲線曲面理論在曲線曲面重新參數化中的應用和實體造型中的應用。Founding - visual examination of surface discontinuities - steel sand castings
鑄造.表面非連續性的目視檢驗.鋼砂型鑄造In order to manufacture this type of worm gear drive precisely and cheaply, we should explore a whole new dis - dual generating method. as a part of the project " the modeling and simulation of planar double - enveloping toroid worm gear drive ' s intelligent manufacturing method ", this dissertation focuses on the 3d modeling of planar double - enveloping toroid worm gear in computer. the author of this dissertation has completed lots of studies and researches in this field and has found some new methods for the 3d modeling of worm gear drive
本文作為「平面二次包絡環面蝸桿副智能加工的建模與模擬」研究項目的一個組成部分,主要以在計算機中對平面二包蝸桿副進行三維建模和數字化造型為目標,在嚴格推導共軛齒面的基礎上對平面二包蝸桿副齒面的組成進行了tca分析,並運用適當的數學方法對蝸桿副型面進行重構,獲得了適合於計算機表達的平面二包蝸桿副三維數字化模型。First, by analyzing several fundamental problems, such as terrorist origin, characteristics and hazard in central asia, it can be concluded that this type of terrorism stemmed from historical pan - islamism, pan - turkistan, iran islamic revolution and afghanistan civil war, and it gradually expands and spreads during the five nations ’ transition period. the most generally - accepted terrorist organizations in the area are islamic movement of uzbekistan, hizb - ut - tahrir and islamic movement of eastern turkistan. these saboteurs have threatened, but in fact, have endangered many respects of the local nations, such as politics, economy, culture and society and so on
首先,通過剖析中亞地區恐怖主義的由來發展、現狀、特點及影響等基本問題,指出中亞恐怖主義衍生於歷史上「雙泛」思潮、伊朗「伊斯蘭革命」以及阿富汗內戰的輻射和震蕩,歷經五國轉型時期的內憂外患逐漸坐大,其中以「烏伊運」 、 「伊解黨」 、 「東伊運」等恐怖主義組織最具代表性,並對五國的政治、經濟、文化、社會等各方面造成了潛在和現實的危害。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;針對重建三維表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。Surface modeling is an important subject in computer aided geometric design and computer graphics. it researches on denoting, designing, displaying and analyzing of surface in the environment of computer image system
曲面造型( surfacemodeling )是計算機輔助幾何設計( computeraidedgeometricdesign , cagd )和計算機圖形學( computergraphics )的一項重要內容,主要研究在計算機圖象系統的環境下對曲面的表示、設計、顯示和分析。The consequence of computation indicated above method not only can approach turbine blade surface accurately but also can be provided for extend and intersection while the precision can be controlled. it realized anticipated goals of the application of turbine blade and engineering exercises. thus, it provide the foundation to the reconstruct and optimize design of turbine blade as well as the cam of turbine blade
算例結果表明,上述方法不僅可精確擬合混流式、軸流式水輪機轉輪葉片,而且還能對葉片進行求交、延展運算並控制精度,實現了nurbs曲面造型技術應用於水輪機葉片設計和工程實際的預期目標,為水輪機葉片的改型設計和優化設計、水輪機葉片的計算機輔助製造打下了基礎。Abstract : a new data structure that one link - list was composed of polygon - surface table, edge table and vertex table was proposed to describe the geometry information and topology information of control polyhedron m in the rese arch of modeling with closed surface. compared with other structures which were a pplicable to the work, the structure was understandable, economize and conveniently to modify. after describing the detail of the geometry information, topology inf ormation included in the tables of polygon - surface, edge and vertex, and the poin t - link form of the adjacency multilist between the tables, a concise instance was given in clanguage array
文摘:介紹了在閉曲面造型研究中,為描述控制多面體m的幾何信息和拓撲信息而設計使用的一種單鏈三表的數據結構.與其他適用與描述控制多面體的數據結構相比,該結構在結合了鄰接多重表方法后的特點是:關系描述清楚,節省存儲空間,方便查找和交互修改形體.在介紹單鏈中三表(面表、邊表、頂點表)所含的幾何信息細節、以及單鏈的三表之間的表示面、邊、頂點拓撲關系的指針的鄰接多重連接方式之後,本文給出了以c語言數組方式簡明描述的數據結構實例For surgery tools models, this dissertation presents an algorithm to transform models constructed in solid modeling system to the developed virtual system in which surgery tools models can be constructed conveniently, accurately and parameterizely. the constructed models can have high level third dimension effect. for slice - imagings, this dissertation gives an algorithm for rebuilding solid model from triangulated patch surface model and the rebuilding processing function as an important function in reverse engineering has been added to 3d - modeler system, which is a feature solid modeling system developed by cad lab of dut, so the reconstruted bone model can be further processed in the cad system
研究了實體幾何模型向三維表面模型的轉化,針對手術規劃及模擬教學系統中的醫療器械模型,提出了一種利用三維實體造型系統構建實體模型,然後轉化為本文虛擬系統所支持的表面模型的方法,能夠方便、精確和參數化地建立模型;針對斷層掃描圖象,給出了基於ct圖象反求技術進行實體幾何造型的主要步驟,以使骨骼模型能夠在本研究所開發的特徵造大連理工大學博士學位論文型系統3dm 。Subdivision surface is a new geometric modeling technology of discrete surface based on mesh. it can express modeling surface through control mesh and subdivision rules
細分曲面是基於網格的離散曲面造型新技術,它通過定義控制網格和細分規則來表示造型曲面。Continuous surfaces, typically in nurbs form, have been widely used due to their accurate mathematical expressions. they are efficient in storage and offer benefits in shape manipulations. however, nurbs surfaces are incapable of representing objects with complex topologies
長久以來,有精確數學表達的連續曲面,因其計算機存儲空間節省和形狀控制精準的優點,在曲面造型領域得到廣泛成熟的應用。Since nurbs curves possess stronger ability than uniform b - spline curves in shape representation, we give a method of generating non - uniform subdivision surface modeling by improving nurcc surface proposed by sederberg et al. this method can interpolate predefined nurbs curves based on nurcc surface while maintain nurcc surface ' s basic function of the controllability of the continuous order
由於nurbs曲線比均勻b樣條曲線具有更為強大的形狀表示能力,浙江大學博士學位論文因此作者通過改造sederberg等提出的非均勻有理catmull一clark曲面(簡稱nurcc )生成方法,給出了非均勻細分曲面造型新方法分享友人