曲線端點 的英文怎麼說

中文拼音 [xiànduāndiǎn]
曲線端點 英文
end curve
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  • 端點 : extreme point; [數學] end point; extremity; terminal; end端點檢測器 end point detector; 端點控制 ...
  1. 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; 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 」,表現為低開?高走?平穩發展。
  2. On this foundation the article inducts in detail the method which is based on the relative settlement of calculating unit area end support ( qb ) force at the same time considering the feature of pedestal pile ' s " arch effect " the article introduces conception of pile effective length and finally obtain t he formula of calculating man - made pipe with bulb - shaped axial carrying capacity. the article uses marc program to calculate and analyze foundation soil ' s stress and displacement and gets the change curve chart and the proportion that is shared by king - pipe side soil friction resistance and pipe end counterforce respectively. the article inducts the structure of pedestal in detail on the basis of generalizing pedestal application cases of many countries

    在此基礎上論文詳細歸納了以相對沉降為依據確定單位面積承力q _ b的計算方法,並考慮擴底樁的「拱效應」特引入了有效樁長的概念,最後結合公路規范推出了比較實用的人工挖孔擴底樁軸向承載力計算公式。論文運用了marc程序對地基土的應力和位移進行了有限元數值計算分析,得到了地基土的應力和位移場的變化和在加載過程中樁側土摩阻力和樁反力各自所承擔的比例;本文還在總結各國挖孔擴底樁應用情況的基礎上就擴底樁的構造進行了詳細的歸納。
  3. Nevertheless, he sat tight, just viewing the slightly soiled photo creased by opulent curves, none the worse for wear, however, and looked away thoughtfully with the intention of not further increasing the other s possible embarrassment while gauging her symmetry of heaving embonpoint

    盡管如此,他依然坐在那裡,瞅著那張豐滿的起了皺折稍帶污跡的照片,然而它並未由於陳舊而變得遜色。為了不至於進一步增添對方在掂掇她那隆起的豐腴231胸脯的勻稱美時可能感到的窘迫,他體貼入微地把視移開了。
  4. Points in the physical plane are mapped onto corresponding points in the hodograph plane.

    物理平面上的被映射到速平面上的對應
  5. The dynamic force - displacement relation curve is of crucial important to the design and operation of mechanical impact devices. using one - dimensional wave mechanics and characteristic line theory, this paper presents a testing method for determination of dynamic force - displacement relation curve from one - point strain measurement on an elastic rod endface. the principle of measurement, data processing method and experimental results for penetration into granite are discussed. 4figs., 5refs

    沖擊載荷下彈性桿的作用力-位移關系是沖擊機械繫統研究的重要內容.基於一維波動力學方程,應用特徵方法,探討了已知一應變求取彈性桿的作用力-位移的測試原理與數據處理方法,以及在花崗巖上沖擊鑿巖機具的測試結果,對一應變測試法的可行性進行了論證.圖4 ,參5
  6. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節,包括常規栓焊( wfp )節、翼緣全螺栓連接( bfp )節、雙t板連接( dst )節以及加勁板連接( sep )節,進行了四類節8個模型試件在柱低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節的位移滯回與轉角滯回為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節滯回有顯著影響,全部節都有顯著的剛度退化; 3 、位移與轉角骨架在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節、雙t板連接與加勁板連接節都優于常規栓焊節,可在實際工程中加以推廣。
  7. 3. a space bond slip relation of reinforcements in either end of a member is proposed, based on one - dimensional bond slip model of reinforcements proposed by teng zhiniirmg from tsinghua university, the first - time loaded ascending stage ? curve of which model is modified as the line which parameters are not changed so as to simply the computation. the bond, slip is regarded as the boundary nonlinearity of a member

    3 、採用清華大學滕智明建議的一維鋼筋粘結滑移恢復力模型,但從簡化計算的角度出發,將首次加載的上升段改為直,並假定構件部的諸多縱向鋼筋的滑移服從平截面假定,考慮由節錨固區粘結滑移引起的構件截面軸向和兩轉角附加變形。
  8. Bainianyuan bed selects high quality environment - materials, utilizes most advanced manufacturing techniques. thmattress has carefully sdldcted materials to achieve perfect cont contac with human body, and let you enjoy most relaxing and comfortable sleep

    百年緣選用高品質環保材料,利用尖生產工藝精緻成,床墊墊料都經過特別挑選,能緊貼人體,讓每一均勻承托您的背脊而又可保持背脊的原理弧度,令您享有最輕松舒適的睡眠感覺
  9. According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given

    根據平面剛架穩定性能量法特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱約束的特殊情況,求出撓函數(試解函數)通解,得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優
  10. The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given. the adding load equipment, measuring apparatus placed, measuring point established is detailed. adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it

    介紹了外伸板高強螺栓連接的實驗過程及實驗分析結果,介紹了各組試件的形狀尺寸、加載裝置、測量儀器安放、測的布置等;給出加載方式及測出的m -;計算出試驗節的初始剛度;推導水平集中力作用下單跨門式剛架考慮節半剛性的側移計算公式。
  11. It is also required to discover and trace the curve containing all such points.

    也要求發現並描出這條包括所有
  12. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續箱梁橋時,採用考慮翹作用的格子梁分析方法,應用矩陣位移法對具有約束支承形式的斜支承連續薄壁箱梁橋進行分析,考慮到支座的約束條件並不與梁角位移和扭轉角位移的方向一致,引入支座節坐標矩陣,使得梁的位移未知量與斜支座約束方向一致,來計算單元剛度矩陣和單元節力,然後按照矩陣位移法組集總剛並建立結構剛度方程,根據結構剛度方程即可求解未知的節位移及桿力,推導出任意截面處的內力計算公式。
  13. This new basis provides properties analogous to berstein polynomials, including symmetry, zeros of the basis functions, positivity, normalization, etc. based on this new basis, we define a new kind of curves, to be called h - bezier curves, with control polygon

    本文利用多項式混合雙形式在空間中構造了一組新的基,稱為h - b zier基,它具有類似於bernstein基的性質,零階數,正性,正規性質,對稱性等性質進一步,文章通過控制多邊形的方式定義了h - b zier
  14. During the past decades, some researchers, such as : bezier, kj. versprile, deboor and cox, etc. had made great progress in the filed of constrained b - spline curve and surface fitting. in this article the method of constrained b - spline curve was introduced, which is used to figure out the control vertexes. using this interpolation method we can calculate every points of a uniform b - spline

    並且分析了在各種情況下,在重節的情況下,如何反算控制多邊形的頂;如何在求出控制多邊形頂之後,插值計算b樣條擬合上的每一;並通過結合雙尾船的型,採用visualc + +和autocad2002為平臺,分別編制了相應的軟體,對提供的型值做出繪圖處理,取得了良好的效果。
  15. It offers the idea according to problem faced, considering the good character of the ends, the ajusted cubic b - spline curve is used to fit ship lines. it finds out the control vertexs according to a sequence of given points, and then, through particular formula, each point in the curve could be worked out. it smoothes lines with the method based on small - paramter

    針對面臨的問題,提出了自己的思路,在數學計算方法上,由於三次準均勻b樣條良好的部性質,這里用它來擬合船舶型,首先根據所給的初步型值求出其控制頂,然後根據相關公式進行插值便能得到上的所有插值
  16. After giving the legendre polynomials approximation to parametric speed of the curve, the author gives the jacobi polynomials approximation to parametric speed with endpoints interpolation. from this, two algebraic offset approximation algorithms, which preserve the direction of normal, are derived

    給出了參數速度的legendre多項式逼近,進一步給出了參數速度的插值區間的jacobi多項式逼近,由此導出了保持法矢平移方向的兩個等距代數有理逼近演算法
  17. Another algorithm is based on pixels : sample many points along the curve, round them to the nearest integer and set each pixel the computed point falls in. although this algorithm uses integer arithmetic, it provides the smooth curve possible at the expense of computation time as many points have to be computed to ensure that no gaps are created along the curve. furthermore these two algorithms we mentioned above is appropriate for low degree parametric curves, for high degree parametric curves, we usually approach them by using low degree rational parametric curves, the generating curve ' s fairness property is not very good

    我們知道當節矢量的兩均為k重節且無內節時, b樣條基函數退化為bemstein多項式,因此該生成演算法還可推廣到b能ier中,具有廣泛的應用價值、同樣地,在cad和cagd中,有理b樣條,特別是非均勻有理b樣條( nurbs )已經成為面設計中最廣為流行的技術,然而對這些目前也尚無很好的生成演算法,因此有理b樣條的生成演算法無疑有著更重要的意義
  18. The results of calculation and measures show that the low frequency of steam pipelines vibration fastens on 4. 3 to 4. 5 hz and 9. 5hz, the low modes fastens on one - steps curl in vertical plane and its plane of each steam pipeline and one - rotation along with the line connecting the port circling main steam gate and the horizontal port of unit. the modes of # 3 and # 4 main steam conduits occupy the majority of low steps modes ( the five of the first eight phases ), except for the first phase rotation vibration, the maximal distortion of other low steps vibration modes are all caused by the vibration of erect pipelines of cylinder

    計算和實際測量結果表明:導汽管低頻振動以4 . 3 - 4 . 5hz 、 9 . 5hz頻率為主,管系的低階模態以各導汽管在垂直導管平面和平面內的一階彎、以及繞主汽門處與水平段汽機的一階扭轉為主, # 3 、 # 4導汽管的振動模態占低階模態的多數(前八階模態中的五階) ,除一階扭轉振型,導汽管的其它低階振動模態中都是進汽缸立管的下振動變形最大。
  19. Presents a new method of constructing boundary conditions for nurbs interpolotion, which makes it unnecessary to know the deriratives of curve ends, and solves the problem of zero curvature at curve ends, and enables designers to control the shape of the two end segments of curve easily and freely by simply adjusting the curvature coefficients and discusses the influences of curvature coeffients on the shape of the end segments of curve

    提出一種新的用於nurbs插值的構造邊界條件的方法.該方法不需要已知曲線端點的切矢,並且解決了率為零的問題;它使得設計者可以通過簡單地調整首末率參數便可以隨意地且很容易地控制首末兩段的形狀.最後還討論了率參數的取值對部形狀的影響
  20. The expressions of distributed bars of several normal cases in the practical engineering are presented based on the equalization of the slope of prestressed bars at the end of each curve at inflection point

    以預應力筋在反彎處每段曲線端點的斜率相等為基礎,提出了實際工程中常用的幾種情況的布筋表達式。
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