曲多面體 的英文怎麼說
中文拼音 [qūduōmiàntǐ]
曲多面體
英文
curved polyhedron-
And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development
主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。In the simulation, the mpc technique of msc. nastran is used to simulate the mechanical behavior of contact between the interfaces of piston pin and bearing of small end, crankpin and big end bearing, connecting rod body and bearing cap ; also constraints are applied to the connecting rod reasonably
分析中採用了patran中的多點約束（ mpc ）技術，有效地模擬了活塞銷與小頭孔內表面、曲柄銷與大頭孔內表面以及連桿體與大頭蓋接觸面的力學接觸狀態，並對連桿進行合理的約束。Due to the requirements of complex configuration of spatial curved surfaces and of continuity of fiber laying have becoming a difficult problem in cad technology for bicycle body frame of hybrid fibered compound material with multi - branch special shaped entire - body and sections of hollowed thin wall
摘要對于多分支整體異形空心薄壁斷面混雜纖維復合材料自行車車架，由於復雜的空間曲面構形和纖維鋪設連續性要求成為其cad技術難題。Of them 18 hours to complete the lyrics galley proof production, a day to be completed within the overall visual design, six days of the completion of more than 130 singers, audio, photography and graphic beijing olympic blessing interviews, four days to complete all the post - production, shooting only documentary materials reached more than 3, 000 minutes, more than 200 of its staff in order to pay the birth of constant toil and sweat, all this is reflected not only the beijing olympics tremendous appeal, but also reflects the " i, i am dedication, i happiness " in the spirit of the whole society prevail
其中18個小時就完成詞曲小樣製作、 1天之內完成整體視覺設計、 6天完成了130多位歌手的錄音、平面攝影與北京奧運祝福訪談、四天完成所有的後期製作，僅紀錄片拍攝的素材就達3000多分鐘，有200多名工作人員為了其誕生付出了夜以繼日的辛勞與汗水，這一切不僅體現了北京奧運的巨大感召力，更體現了「我參與、我奉獻、我快樂」的精神在全社會蔚然成風。Some testing devices are of advanced ones, such as scanning electronic microscope, microfocus circular radioscope, water - immersed ultrasonic flaw detector, 3 - axis measuring machines, large - sized projector, etc. for the production of non - aero products, there are large - sized die - casting equipment, and nearly 100 pieces of specialized gear machine tools including worm - gear grinding machine, etc. it has some specialized production lines for piston, crankshaft, cylinder and housing, etc., as well as 4 flexible production lines advanced at home for motorcycle engine, and a complete set of automatic inspection test eqiuipment for motorcycle engine
計算機輔助設計輔助加工技術正在普遍使用。在非航空產品生產方面有大型壓鑄設備殼型鑄造，包括鍋桿輪磨在內的輪專用機床100多臺，以及活塞曲軸汽缸殼體等專業化生產線。此外，還建成了具有國內領先水平的4條摩托車發動機柔性生產線，以及成套的摩托車發動機檢測設備，可進行測試數據分析，改進檢定測試方法等。In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future
本文結合重慶市大渡口區「三木花園」開發建設項目，從地下空間靜力結構穩定性分析角度出發，針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米，高7 . 5米的地下隧道這一具體工程情況，採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算，探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響，通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況，從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律： （ 1 ）在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖（ ux 、 uy ）以及應力等值線色譜圖（ _ 1 、 _ 2 、 _ （ xy ） ）等； （ 2 ）相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ （ xy ）對比分佈曲線； （ 3 ）不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ （ xy ）的對比分佈曲線等，為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。And it was the touch of the imperfect upon the would - be perfect that gave the sweetness, because it was that which gave the humanity. clare had studied the curves of those lips so many times that he could reproduce them mentally with ease : and now, as they again confronted him, clothed with colour and life, they sent an aura over his flesh, a breeze through his nerves, which wellnigh produced a qualm ; and actually produced, by some mysterious physiological process, a prosaic sneeze
克萊爾已經把她的兩片嘴唇的曲線研究過許多次了，因此他在心裏很容易就能夠把它們再現出來此刻它們就出現在他的面前，紅紅的嘴唇充滿了生氣，它們送過來一陣清風，吹過他的身體，這陣清風吹進了他的神經，幾乎使他顫栗起來實在的情形是，由於某種神秘的生理過程，這陣清風讓他打了一個毫無詩意的噴嚏。In our country, the middle & small sized firms are confronted with more financing handicaps than the foreign small businesses are mainly in deficient credit with their assets, the fewer assets for mortgage and difficult in mortgage, oweing to underdevelopment of financial system, absence of credit grade evaluation, distortion of finance policy, bankrupt of some small businesses, and a series of problems
豐田、福特、微軟、科思等世界著名公司的發展，均以企業家在中小企業中的創業為發展的起點。在我國，由於金融體系不發達、商業銀行缺乏評估信貸價值的技術、政府金融政策存在扭曲、中小企業資信較差、倒閉比率較高等一系列問題，中小企業面臨著更多的融資困難。After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect
在解決多曲面有角點的拼接問題中引入了運籌學的優化方法，改善了多曲面拼接的效果，而且在ugii造型軟體的基礎上，用visualc + + 、 ug / openapi進行二次開發，加入了壞點剔除，曲線光順，曲面片之間的拼接等功能，很好的解決了反求工程中所遇到的問題。In addition, segmented reflector lamp is the popular in car lamp field, in order to meet the car lamp corporation, realizing the segmented reflector model by write macro base on the lighttools flat
另由於多曲面反射體目前在市場較為普及，本文也為了適應車燈廠家需要，在通用光學分析平臺lighttools上開發，實現了多曲面反射體模型的快速生成。Firstly, by an in - depth study on chinese commercial banking and their foreign counterparts, this paper points out the great differences of intermediate business innovation between chinese and western commercial banks regarding innovation products variety, scale, technology, etc. secondly, comparing the institution regarding intermediate business innovation and microeconomic - body behavior of chinese commercial banking with foreign ones within an analysis framework from the perspective of institutional economics and game theories, this paper shows that a number of reasons account for the emerging of intermediate business innovation, including external economic environments as well as internal factors within the financial system and technology, among which the institutional factors within the financial system being the most important. at the same time, by comparison with western developed countries " counterparts, the innovation of chinese banking institution lags far behind the development of banking business in main aspects of property rights, managerial system, compensation arrangement and organization system. thus, the backward innovation of banking institutions and twisting microeconomic - body behavior seriously strict intermediate business innovation
本文首先通過對中外商業銀行進行較為深入的調查研究指出，與西方發達國家商業銀行相比，我國商業銀行中間業務創新無論是在業務創新品種、規模上還是在技術手段上，都存在著巨大差距；其次，運用制度學分析和博弈分析框架將中外商業銀行中間業務創新制度及微觀主體行為進行比較得出：商業銀行中間業務創新產生的原因有多種，如外部經濟環境因素、金融體系內部因素和技術因素等，其中最根本的是金融體系內部的制度性因素；與西方發達國家商業銀行制度相比，我國銀行制度創新遠遠落後于銀行業務的發展，主要表現在產權制度、經營制度、分配製度和組織制度等方面；銀行制度創新的滯后及其微觀主體行為的扭曲嚴重製約著中間業務創新，尤其是我國銀行產權關系不明晰，在國有獨資產權框架下政府? ?行長及上級行長? ?下級行長兩種委託代理行為帶來了嚴重的問題，導致了我國銀行中間業務創新動力不足。In the distributed caa and simulation system, an example of slider - crank mechanism is given. the example use planar multibody dynamic method to analysis the movement rule of slider - crank system under gravity and moment and demonstrate the multibody systems dynamic analysis method
基於實現的分散式計算機輔助分析與模擬系統，本文以曲柄滑塊為例，利用平面多體動力學通用模型分析了在受到重力和轉動力矩的情況下曲柄滑塊的運動規律。Multi - media shows of self - propelled gun are accomplished including curve simulation, texturing, lighting technology voice effect, flame effect, etc. vii ) distr ibuted real - time dynamics simulation system for virtual self - propelled gun, which is a solid basis for virtual - reality gun, is set up through lan, based on tcp / ip protocol, opengl, client / server, object oriented, etc
在3dmax開發環境中，利用紋理、光照等技術進行了自行火炮的真實感建模，通過曲線擬合，模擬火炮各個部件在發射過程中的運動規律，並結合聲音和炮口火焰效果，實現了自行火炮發射動力學的多媒體描述。 7 、基於tcp ip協議、 opengl 、 client server 、面向對象等技術，在lan平臺上建立了火炮發射動力學分散式實時模擬系統，為研究虛擬火炮打下了堅實基礎。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated
結合理論分析和模擬結果，提出了氣體火花開關多脈沖運行特性可採用如下方法: （ 1 ）使用導熱性能好的氣體，如h2 、 sf6等; （ 2 ）採用吹氣的方法; （ 3 ）增大氣壓，在電極表面增加細小結構，構造平穩的v / p曲線; （ 4 ）改良開關電極結構和尺寸，採用奶頭-半球結構的電極; （ 5 ）使用電負性強的氣體作為開關絕緣氣體，如sf6 。This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time
本文針對plc無功調度曲線控制器，結合整個研製過程，在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述，並給出了部分程序流程簡圖（由於梯形圖網路數太多，受篇幅限制沒有給出） 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識，在設計過程中，我們查閱了大量相關的資料，在充分調查、分析、研究的基礎上，結合桓仁發電廠實際情況，首次提出並研製出了plc無功調度曲線控制器。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3d numerical simulation of finete element method ( fem ) program is used to calculate and analyse the distribution of stress and strain during hydrobulging, the ovality of single - curvature polyhedron after being hydrobulged while the dimension of polar plate of single - curvature polyhedron without the flaw of imaginary crack changes
摘要利用三維數值模擬方法，對假想無裂紋的單曲率多面殼體模型上極板尺寸發生變化時脹形過程中應力應變的分佈、脹形結束后多而殼體的不圓度等進行了計算和比較。Reflecting this versatility is the phenomenon of riverdance, with music composed by bill whelan, combining the best of irish song, music and dance
Riverdance現象就是這種多面性的體現。由bill whelan作曲的riverdance綜合了愛爾蘭歌曲、音樂和舞蹈的精華。The modeling of curves and surfaces constitutes an important research area in several application domains ( medical imaging, multimedia data representation, computer aided geometry design )
曲線曲面的逼近在醫學圖像、多媒體、計算機輔助幾何設計、計算機圖形學等領域中是一個重要的研究內容。分享友人