直線段的 的英文怎麼說

中文拼音 [zhíxiànduànde]
直線段的 英文
tangent
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : 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量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  • : 4次方是 The fourth power of 2 is direction
  • 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
  • 段的 : segmental
  1. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數優點,故既可以精確表示、二次多項式曲又可以精確表示圓弧、橢圓弧等二次曲以及心臟、雙紐等超越曲。特別地, 3次均勻t - b樣條曲曲面比同階均勻b樣條( c - b樣條)曲曲面具有更高光滑度。
  2. ( 4 ) the instability problem of the columniation supporting was solved in the construction of side - span. ( 5 ) the circle - steel nip - patch anchor was applied for the thread - snap of the prestressed crude steel wire, the double facility anchor was used for deeling with the slip - wire of steel wring

    ( 4 )在邊跨施工中,採用一端設立柱另一端吊掛在已合攏梁梁式膺架,解決了支柱支承在古錯落體上不穩定問題。
  3. ( 3 ) based on a close research of the cad model representation in mdt, this paper picks up the model information expressed in the boundary representation ( b - rep ) using the development kits of objectarx and mdt api offered by autodesk inc. ( 4 ) the direct slicing data are processed so as to realize the sorting and fitting of short lines, the cutting tool compensation, the layer contour filling and the optimization of the scanning paths, etc. ( 5 ) designs the architecture of rp data processing software according to the functional requirement of rp, and integrates all the functional modules

    ( 3 )在深入研究mdt ( mechanicaldesktop )中三維模型表示方法基礎上,運用autodesk公司提供mdt二次開發工具objectarx和mdtapi ,成功地實現了對mdt模型信息提取,進而使接自適應分層演算法得以實現。 ( 4 )對接分層得到數據進行了工藝規劃。實現了對層片輪廓排序、擬合、刀具補償以及輪廓內部填充和掃描路徑優化等。
  4. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出誤差估計,使逼近螺可達到任何預先給定精確階。最後,給出球面nurbs曲生成演算法:用球面上測地? ?劣大圓弧代替,將歐氏空間r ~ 3中deboor遞推演算法推廣到球面上構造麯
  5. This dissertation is about taking use of the merit of the traveling wave principle, exciting a traveling wave in a ring type stator with two tangential paths, generating the linear movement of the ultrasonic motor

    本文研究利用行波原理優點,在具有兩個直線段的長環形結構中激勵出行波,使馬達產生運動超聲波馬達。
  6. 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 ~ -連續帶有形狀參數四次樣條曲,曲所有曲控制頂點由給定多邊形頂點接計算產生。
  7. Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model

    為了解決現有殼單元方法需要大量計算機時缺點,本論文首次從理論上把離斷層較遠管土之間相對變形較小管子部分變形等效為一個非性彈簧,將此等效邊界引入到有限元模型中,使得模型中殼單元部分主要用來分析我們所感興趣在斷層附近發生大變形,從而達到節約計算時間
  8. In shape analysis, we get feature units of shape, that is, arc segments and straight - line segments through segmentation and identification of digital curves and the following combination of the same features, and present a new method of object expression and recognition based on straight - line segments

    在形狀分析中,通過曲分割、分識別以及相同特徵合併來提取形狀特徵基元,即弧,提出一種基於直線段的目標描述和識別方法。
  9. Feedrate planning of continuous micro - line ' s start and end points are discussed, and the constraining conditions, including the machine ' s acceleration and deceleration capability, allowable error of corner machining, maximum acceleration and dynamical behavior of the machine, are established 。

    摘要針對連續小高速高精插補演算法中起始點和終止點速度規劃,建立了包含機床加減速性能、轉接處誤差控制、最大加速度以及機床負載功率等速度約束條件。
  10. We extend this method to the problem of a domain which boundary is an open arc or an open segment. in this paper, we simulate the singularity of solution in extreme point of open arc or open segment by singular element

    本文還把此方法推廣到求解區域邊界是或者開弧情況,採用引入奇異邊界單元方法來模擬解在開邊界端點附近奇異性。
  11. A line segment is drawn to connect the last point in the path to the first point in the new line segment

    中已有或曲,則將繪制一條連接路徑最後一個點和新第一個點。
  12. With fortran power station 4. 0, we make galerkin boundary element method program for solving laplace equation on region which boundary is a closed curve or an open arc, and the numerical experiments also prove this method is reliable. last we test the error of galerkin boundary element by numerical experimentation

    最後利用fortranpowerstation4 . 0程序語言分別編寫了用galerkin方法求解區域邊界為閉曲及區域邊界為或開弧laplace方程計算機程序,通過幾個算例證明了該方法是有效、是可行。
  13. By using multiple knot insertion techniques, cusps and straight - line segments allow to arise in the nuat b - spline interpolating curve, and its slackness and smoothness can be controlled by the change of the parameter

    2 .通過重節點插入技術構造了帶有尖點或直線段的混合插值曲,分析了混合因子對插值曲鬆弛性調節作用
  14. Accordring to basic concept and assumes essentially on the basic of sweden method of slices, be living below the maximum equilibrium state, the function expression about stability safety homogeneous slop is deduced, and the slope surface is consist of two lines and an arc, afterwards according to analysis theory of minimal value ruling on the basic of the maximum, genetic algorithm is applied to slove the dangerousest slide situation and radius and corresponding safely factor

    根據瑞典圓弧法基本概念和基本假定,在極限平衡狀態下,推導了兩均質斜坡穩定性安全系數函數表達式,然後根據極限分析理論極小值原理,利用遺傳演算法,求出了邊坡穩定性安全系數極小值,並得到最危險滑動面滑弧半徑和滑弧中心坐標。
  15. For the example of the development course in the tianjin guohua panshan power generation co. ltd, analyses the reform and develop process of the state - owned enterprise from the flux of company ' s institution, the transform of the salary manage system in the enterprise, and the construct course in enterprise ' s civilization, in order to seek after a new manage pattern of the electric power enterprise to suit for the system of market economy in the socialism

    本文以天津國華盤山發電有限責任公司發展進程為例,從公司組織機構變遷、企業薪酬管理體制變革以及企業文化建設歷程三個方面分析國有企業改革發展過程,從而探索適應社會主義市場經濟體制下電力企業管理模式。國華盤電公司企業組織機構是從以基本建設為主生產準備為輔籌建期組織機構形式開始,該階組織機構形式屬于組織管理模式。
  16. The methodology adopted by most existing cam / cnc systems, which uses huge amount of linear segments to approach the original shape and make linear interposition increases the cost of memory size and communication work of the cnc system tremendously. a new approach based on cubic polynomial and b spline interposition to rebuild the cam generated tool path under real time condition is presented in the paper. applications on cnc machine tools showed that the presented approach improves the machining accuracy and increases the cutting speed significantly

    目前大多數cam / cnc系統採用大量小逼近原始曲插補做法,只能獲得零階連續走刀軌跡,逼近精度低,不能保證高速加工運動平穩性,因而加工精度、光潔度和加工速度都難以提高;由小構成nc代碼數據量龐大,也增加了數控系統在內存容量和數據傳輸方面成本。
  17. Analytical results proves the existence of the two needed bend standing wave which generate traveling wave in the ring - type structure with two linear portions, and also confirms the existence of traveling wave through the harmony response analysis

    採用有限元方法對帶有兩個直線段的超聲波馬達進行了分析,分析結果表明長環型結構上存在著產生行波所需兩個彎曲駐波。
  18. Each additional point specifies the endpoint of a line segment whose starting point is the endpoint of the previous line

    其他每個點指定以前一終結點為起始點直線段的終結點。
  19. We can achieve the recognition of airport through describing the shape of it with straight - line segments and distinguishing different objects with the length of the lines

    通過用來描述機場跑道形狀,以直線段的長度來區分不同目標,可以達到識別機場目標
  20. After histogram transform, enhancement, smoothing, pre - segmentation, edge extraction and thinning, we get an image with clear edges. after extracting of feature units, we describe the shape of airports with straight - line segments and distinguish different objects with the length of the lines, which can achieve the computer - aided auto - recognition of airports

    經過方圖變換、圖象增強、圖象平滑、圖象預分割、邊緣提取和細化后,得到了清晰邊緣信息圖象,通過特徵基元提取和識別,用來描述狀目標,而用直線段的長度來作為目標定量特徵描述,可以實現遙感影像機場目標計算機識別。
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