歐拉線 的英文怎麼說

中文拼音 [ōulāxiàn]
歐拉線 英文
euler line
  • 歐 : 名詞1. （姓氏） a surname 2. （歐洲的簡稱） short for europe
  • 拉 : 拉構詞成分。
  • 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...
  • 拉線 : backguy; gur; tie line; guy wire拉線板 strain plate; 拉線工 lineman; 拉線盒 terminal box; 拉線機 ...
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中，利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式（ time - gcm ） ，對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬，結果表明，從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化，大氣的非等溫結構加速了重力波在中層頂區的破碎，重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  2. Galicia ' s labyrinthine coast, dotted with fishing ports and tourist resorts, is a popular gateway for drug traffickers who want to smuggle cocaine into europe from latin america

    加利西亞省迷宮般的海岸線，星羅密布的漁港和旅遊勝地。使得這個地方成為毒販們把毒品從拉丁美洲走私到歐洲的理想地點。
  3. Though separated by nearly 9, 200 miles ( approximately 14, 800 kilometers ) as the crow flies, young people in kampala, uganda, and tucson, arizona, usa, are discovering one another ' s worlds through a program initiated by ambassadorial scholar ojeya cruz banks

    烏干達的坎帕拉與美國亞利桑那州土森市相互分隔的直線距離雖然約近9 ， 200英里（約1萬4 ， 800公里） ，兩地的年輕人正透過大使獎學金學生歐潔雅?班克斯發起的計劃，發現彼此的世界。
  4. The oval face was lengthened, his smiling mouth had assumed the firm and marked lines which betoken resolution ; his eyebrows were arched beneath a brow furrowed with thought ; his eyes were full of melancholy, and from their depths occasionally sparkled gloomy fires of misanthropy and hatred ; his complexion, so long kept from the sun, had now that pale color which produces, when the features are encircled with black hair, the aristocratic beauty of the man of the north ; the profound learning he had acquired had besides diffused over his features a refined intellectual expression ; and he had also acquired, being naturally of a goodly stature, that vigor which a frame possesses which has so long concentrated all its force within itself

    他那橢圓形的臉已拉長了，那張含笑的嘴出在已刻上了顯示意志堅強而沉著的線條那飽滿的額頭上出現了一條深思的皺紋他的眼睛里充滿了抑鬱的神色，從中不時地閃現出憤泄嫉俗的仇和恨的光芒他的臉色，因長期不和陽光接觸，而變成了蒼白色，配上他那黑色的頭發，現出一種北歐人的那種貴族美他學到的深奧的知識又使他臉上煥發出一種泰然自若的智慧之光：他的身材本來就很頎長，長年來體內又積蓄力量，所以顯得更加身強體壯了。
  5. 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。
  6. Throughout history, latvia has always attracted attention to its strategic location at the center of major european trade routes

    縱觀歷史，拉脫維亞一直因其處在主要歐洲貿易路線中心的戰略位置受到重視。
  7. Nicola beati, who has made six appearances for the first team ( 3 in the serie a, 1 in europe and 2 in the coppa italia ), joins spezia calcio until 30 june 2005

    尼科拉.比亞蒂，這名代表一線隊參加了6場比賽的球員（其中聯賽3場，一場歐洲賽事和2次杯賽）的球員租借到斯佩齊亞直到直到2005年6月30日
  8. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。
  9. It is specialized in product and develop stationery. including design, product, sell as a system, we have high technology, variety products, such as edition binding leather notebook, gift box lock notebook, winding notebook, album, versatile volume hardcard notebook etc. which enjoy popularity in the market region of southeast, europe, usa, suotheast, middle east, arabia

    專業從事文具用品的開發和製造，集設計、生產、銷售於一體，技術先進，品種齊全，主要產品有精裝皮本，禮品盒裝鎖本，線圈本，相冊，萬用手冊，硬抄本，塑膠文具等系列，產品遠銷東南亞，歐美，中東，阿拉伯等國家，深得客戶青睞！
  10. However, the strip ' s main border crossings, the karni terminal for commercial trade with israel and the one at rafah, the sole exit to egypt, remain closed because neither israel nor european monitors at rafah will deal with the hamas men who took them over from forces of the palestinian authority ( pa )

    然而，卡尼和拉法這兩個加沙主要的邊境檢查站，既是與以色列的進行商貿的生命線，也是出入埃及的唯一通道，由於在拉法的以色列人和歐洲監察員都不打算與從巴權力機構武裝中接管拉法的哈馬斯打交道，因此仍處于關閉狀態。
  11. ( 7 ) the non - linear motion of global plate is studied in detail using continuous gps time series, and the temporalvariablefeature of plate euler rotation motion is firstly presented internationally

    （ 7 ）用連續觀測的gps時間序列資料詳細地研究了全球板塊的非線性運動，在國際上首次給出了全球板塊歐拉旋轉運動的時變特性。
  12. Sets up three - dimensional movement modal of towed - cable, the vector dynamic equilibrium equation is expanded under local coordinate, and numerically discreted by central difference on time and space through transforming eular angle

    摘要建立拖纜的三維運動模型，通過歐拉角的變換把拖曳線列陣微元段矢量動力平衡方程在局部坐標系下展開，在時間和空間上作中心差分數值離散。
  13. The acquired 3d object satisfied the restrictive conditions of euler formula

    求解的三維實體滿足歐拉公式點、線、面約束條件。
  14. In a three - dimensional ocean model with curvilinear coordinates horizontally and a coordinate vertically, the adapted grids at a layer for interpolation in the eulerian - lagrangian method ( elm ) is unreasonable over steep topography, because the vertical distance between the adjacent grids in the same a layer is too large

    摘要在水平曲線坐標和垂向坐標的三維海洋模式下，歐拉拉格朗日方法的插值如果在-面相鄰網格之間進行，那麼在水深變化劇烈處，由於-面相鄰網格之間的垂向距離較大，插值依據會顯得較不合理。
  15. Based on the euler ' s beam theory and timonshenko ' s beam theory, the basic knowledge of finite element theory and the drawings of qinshen ' s high speed railway box girder bridge, the self - vibration frequency of the high speed railway box girder bridge is analyzed and studied

    基於歐拉梁和鐵摩辛柯梁理論的基本知識，結合有限元理論及秦沈客運專線遼河大橋的相關資料，對雙線整孔箱梁預應力箱梁的自振特性進行了分析和研究。
  16. Nonlinear electric field transient finite element equation is performed based on the backward euler method and the variational principle

    摘要基於後退歐拉法和變分原理推導了非線性電場的暫態有限元方程。
  17. Methods a set of mixed parabolic - gradient nonlinear equations was established based upon the principles of the developing neural biology, which was computed by the adi scheme and the modified euler ' s method

    方法根據神經發育原理，建立具有一定剛性的非線性混合拋物型偏微分方程組，運用adi差分格式和改進的歐拉法作數值分析。
  18. At last, a better idea is presented : in fact, the problem of computing the shape distance between two open curves can be changed to the problem of a functional extremum, therefore, we can get the shape distance through solving an euler equation

    本文在最後還證明了這樣一個結論，兩條平面開曲線的形狀距離的計算問題可以轉化為一個泛函的極值問題，於是通過解一個歐拉方程就可以求出兩條開曲線的形狀距離。
  19. Based on the theory of boundary layer and analysis of the velocity field of main flow, the thesis also derives the vane shape equation. in the equation, （ angle of pump vane ） is variable parameter, （ velocity coefficient ） is introduced as medium factor, which connects the theory of boundary layer with the eular theory. it provides a valuable reference for the designation of vane of pump

    基於離心泵葉片邊界層理論和對主流區速度場的分析，給出了離心泵葉片型線參數方程，它以葉片角為變參數，引入速度系數作為中間因子，將邊界層理論和歐拉理論聯系起來，並在離心泵葉輪的設計過程中統一起來，能夠在設計中就根據實際的需要防止或控制過流表面的邊界層的分離。
  20. Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

    那麼，僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線，它必將忽略了這種除了葉輪出入口之外的中間變化過程，而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性；速度系數的引入，它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一；它使選擇葉片曲線的域圍拓寬；它也為葉輪的優化設計提供了一個很有參考價值的目標函數。
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