線狀樣條 的英文怎麼說

中文拼音 [xiànzhuàngyàngtiáo]
線狀樣條 英文
line transect
  • 線 : 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...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  1. In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa

    本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。
  2. Therefore the emergence and development of the culture of science and technology can be traced back to the initial conditions of geography and climate, viewed as the factor of internal fluctuation from the sensitiveness of the random choices of the cognitive subject to the initial conditions. since a culture has a pivotal component as its core, once the culture of science and technology comes into being under nonlinear interactions of the social subsystems, the core component functions in the same manner as order parameter in the self - organization system, immensely attracting, regulating and controlling others under the slaving principle. and thus the analysis provides a nonlinear approach to the needham ' s problem

    對于任何思想文化傳統而言，其形成和延續都有其現實的物質生活的根源，因而，對于科技文化的產生和發展，我們能夠返回到其發生的原點? ?即地理氣候等初始條件，從認知主體的隨機性選擇對初始狀態的敏感性方面，視其為科技文化產生的內漲落因素，考察其對科技文化形成的影響；而一種文化之所以稱其為文化，必有其全局控制力的核心因素，科技文化是在社會各子系統非線性的相互作用下形成，其核心因素所發揮的作用就如同序參量在自組織系統中的作用那樣，在支配原理的作用下起著規范、引導和支配等效用。
  3. And then, we measured x - ray diffractive spectrum of samples and investigated the crystal lattice structure of samples treated under different annealing temperature and different implantation condition comparing the diffraction peaks

    然後，通過x射線衍射測量了樣品的衍射譜，通過比較不同樣品衍射峰的形狀，了解了不同退火溫度及注入條件下樣品的晶格結構情況。
  4. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計方法，在升力線設計中計及槳葉的縱傾和側斜的影響，用優化理論求解最佳環量分佈，升力面設計中用b樣條來擬合槳葉，將物面邊界條件轉化為求法向速度分量的平方最小，由此可得到光順的槳葉幾何形狀，提高和改進了設計質量。
  5. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點，通過深入分析目前隧道支護結構設計中存在的各種問題，抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的穩定性與承載能力兩個核心問題，引入結構優化理論中的簡易復合形優化方法，深入探討了滿足建築限界、通風條件、受力狀態約束等條件下公路隧道襯砌斷面優化設計模型，提出了三種襯砌斷面形狀（單心圓、坦三心圓和尖三心圓）的優化選型方法，建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法，並開發出相應的計算機程序，用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型，得出了一系列較為合理的支護結構設計參數。
  6. B - spline curve allows local control over the shape of a spline curve

    （ b樣條曲線允許局部控制曲線的形狀。 ）
  7. A b - spline curve allows local control over the shape of a spline curve

    （ b樣條曲線允許局部控制曲線的形狀。 ）
  8. In the third chapter, we present a class of c2 - continuous spline curves of degree 4 with some shape parameter. the segmented curves are all shape preserving to given polygon

    第三章提出一類c ~ -連續的帶有形狀參數的四次樣條曲線，曲線上的所有曲線段的控制頂點由給定多邊形的頂點直接計算產生。
  9. As further extension of the uniform b - spline basis functions, the author extends the uniform b - spline basis functions of degree 3 and degree 4, and generates the blending functions of degree 5 ( 3 - b ) n degree 5 ( 4 - b ) and degree 6 ( 4 - b )

    作為均勻b樣條曲線的進一步擴展，作者對三次和四次b樣條基函數進行擴展，構造了三b五次、四b五次、四b六次調配函數，從而產生了連續性分別達到c ~ 3和c ~ 4連續的多項式曲線，它們的形狀都可以用參數進行調整。
  10. 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。
  11. Comparing with the quadratic b - spline curve, they have advantages by themselves : firstly, the shape of the curves can be adjusted locally by the parameters i ; secondly, the curves formed by blending functions of degree 4 can be g2 continuous. in addition, in order to meet various requests for continuity of curves in practical applications, corresponding polynomial functions can be used to construct the curves

    但與二次均勻b樣條曲線相比，它們還有其自身的優點：首先，曲線的形狀都可用參數_ i進行局部調整：其次，四次調配函數所構造的曲線就可達到g ~ 2連續；另外，為了滿足實際應用中對曲線連續性的不同要求，可使用相應次數的調配函數來構造麯線。
  12. Shape control for rational cubic uniform b - spline curves

    樣條曲線的形狀控制
  13. Extending the cubic a - b - spline interpolation curves with the blending function of degree 4 ( 3 - b ), we get the interpolation curves of degree 4. the curves have not only kept the structures and properties of the cubic a - b - spline interpolation curves but also increased a shape control parameter, which expands the adjusting ranges of the curves and make the curves easier to be controlled

    利用三b四次調配函數對三次- b樣條插值曲線進行了擴展，擴展后得到的四次插值曲線在保留了三次- b樣條插值曲線的結構和性質的同時，增加了一個形狀調節參數，從而擴大了參數對曲線的調節范圍，使曲線更易於控制。
  14. After this work, the paper discusses the property of uniform curve. when the multiplies of end knots equal the order of the basis, the inner knots are also the simple knots, the rational b - splines are translated to the rational b zier - like basis. studies show that these basis have the similar properties with the b zier basis, and satisfied the new recurrence relation

    其次，在低階情況，研究了形狀參數對曲線的影響，並且討論了均勻情況下曲線獨有的特性，當k階有理b樣條端節點重復度達到k時，而內節點重復度為零時，這種有理b樣條轉化為一種有理b zier基函數，它們的很多性質和b zier基有驚人的相同點，滿足新的遞推關系
  15. We often adjust the shape of curves or change the site of curves. this thesis mainly discusses the question of local modifications of the bezier spline curves in computer aided geometry design. it is composed of four chapters

    在cagd中，往往要調整曲線的形狀或改變曲線的位置，本文主要討論了b zier樣條曲線的局部修改問題，全文共分四章。
  16. Especially, paper research that the k - order rational b - spline function change to polynomial b - spline when h limit to 0, +. last the spline function can be used to express the hyperbolic curves. then, when k = 3, 4, paper research the infection of curve because qi is changed

    當形狀參數h 0 ~ + ， +時， k階指定極點有理b樣條退化成多項式b樣條，最後還給出了雙曲線的精確表示
  17. Format gantt bars, changing their shape and pattern, adding text to them, changing the look of link lines, and so on

    設置甘特條形圖的格式，包括更改條形圖的形狀和圖案，添加文本，以及更改鏈接線的樣式等。
  18. As a result, the curves of c3 and c4 continuity can be generated, and the shape of the curves can be adjusted by the parameters x. the quadratic non - uniform b - spline curves are further extended and the continuity of curves is improved in this paper ; with a local shape parameter in each piecewise curve, the shape of the curves can be controlled effectively ; moreover, cusps of curves can be generated conveniently on the curves while using multiple knots

    對二次非均勻b樣條作了進一步擴展，提高了曲線的連續性；曲線的每一段上都有一個局部控制參數，利用它們可以更有效的控制曲線的形狀；同時，利用曲線的重節點可以很方便的在曲線上構造尖點。作為b樣條擴展曲線的應用，作者將上面構造的各次調配函數應用到三次- b樣條插值曲線上，得到下述結果。
  19. The author acquires three main results, i. e. an approach of constructing polynomial curves with some shape parameters, c2 - continuous spline curves of degree 4 with some shape parameter, and planar piecewise bezier curve of 3 4th and 6th degree with given control polygon and the curve segments are joined together with c1 c2 and c3 - continuity

    作者在後三章得到了本文的三個主要結果： （ 1 ）構造了一種帶形狀參數的多項式曲線； （ 2 ）構造了一類c ~ -連續帶形狀參數的四次樣條逼近曲線； （ 3 ）構造了與給定多邊形相切的可調控保形分段c ~ 1三次、 c ~ 3六次b zier樣條曲線。
  20. 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
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