星形曲線 的英文怎麼說

中文拼音 [xīngxíngqūxiàn]
星形曲線 英文
asteroid-shaped curve
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  • 曲 : 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...
  • 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...
  • 星形 : star; starlike; stellate星形航空發動機 radial aeroengine; 星形空冷式發動機 radial air-cooled engine
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. As for the leaves, we use bezier curves to describe shape of leaf midrib. the texture image of leaf is embedded into the space of local frames along the midrib curve

    對于葉片的生成，本文採用bezier參數曲線描述葉子中脈的形狀，把樹葉或草葉構成的星形結構紋理圖象嵌入到葉脈參數曲線的局部標架中來實現。
  2. This paper deals with the regular curves in a riemannian manifold with constant sectional curvature and the affine starlike curves in r2, r3 and r4

    本文研究了具有常截面曲率的黎曼流形中的正則曲線及二、三、四維空間中的仿射星形曲線。
  3. For the regular curves, we find two killing fields for the purpose of integrating the structural equations of the p - elastic curves and express the p - elastica by quadratures in a system of cylindrical coordinates. for the star - like affine curves, we solve the euler - lagrange equation by quadratures and reduced the higher order structure equation to a first order linear system by using killing field and the classification of linear lie algebra sl ( 2, r ), sl ( 3, r ) and sl ( 4, r ). we solve the centroaffine p - elastica completely by quadratures

    對于正則曲線的情形，我們發現了兩個用於求解p -彈性曲線的結構方程的killing向量場並用積分將p -彈性曲線在一個柱面坐標系中表示出來，而對仿射星形曲線的情形，我們用積分方法解出了歐拉-拉格朗日方程，利用killing向量場及線性李代數s1 （ 2 ， r ） 、 s1 （ 3 ， r ）和s1 （ 4 ， r ）的分類將高階結構方程降為一階線性方程，因此我們用積分完全解出了中心仿射p -彈性曲線。
  4. Starlike affine elastic curves on r

    平面上的星形仿射彈性曲線
  5. By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality

    摘要通過分析嚙合相位角幾何圖形的位置，推導出擺線針輪行星減速器中擺線輪實際工作范圍的理論公式，畫出了嚙合相位角函數的擬合曲線，並結合實際討論其函數曲線的工程意義。
  6. This paper analyses and studies the design method of optical divide ratio of two way optical distributor in star optical fiber transport network, reaches a simple method to design optical divide ratio of two optical distributor : tabulated solution method and graph method, and then analyses and summarizes the characteristic and law of function curve, the five - point conclusion are presented finally

    摘要對星形光纖傳輸網路中的光二分路器分光比的設計作了分析和研究，得到一種設計光二分路器分光比的簡便方法查表法和曲線圖解法，並對相關函數關系及其曲線特徵與規律作了分析，得出了5條結論。
  7. In this paper, two kinds of cross - flow fan were used during experimental research : the one with bent vane and the one with vertical vane, first of all, the air flow field in the unit was demonstrated by fire sparks and silk thread, also the air flow field in the unit were measured and it ' s state and distribution were got when working with the two kinds of cross - flow fan

    本次研究中裝置採用兩種不同形式的橫流風機：曲板式橫流風機和直板式橫流風機。首創火星法用於演示裝置內氣流狀態，又通過絲線法進一步確定了裝置內氣流流場，並測試了兩種不同形式的橫流風機工作時裝置內的氣流，初步了解了裝置內流場的狀態和分佈情況。
  8. We have found some comets in parabolic or hyperbolic orbits. newton s theory is not the end of the story

    太陽系大部分成員以橢圓形繞日運行，但有些彗星的軌道則為拋物線或雙曲線。
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