橢圓系 的英文怎麼說
中文拼音 [tuǒyuánxì]
橢圓系
英文
set of ellipses-
For a class of quadratic finite element diseretization systems of an elliptic boundary problem with jump coefficients under the unstructured quadrilateral grids, we are concerned with two kinds of quadratic lagrangian finite element equations, by analyzing the relationship between the linear finite element and quadratic finite element basis functions, a hew amg method is designed
摘要針對一類帶間斷系數的橢圓邊值問題,在非結構四邊形剖分下,討論了兩種二次拉格朗日有限元方程的代數多重網格法,通過利用雙線性元和二次元基函數之間的表示關系,給出了一種新的網格粗化演算法和構造提升運算元的代數途徑。Note the large " oval " of the galaxy, with the name " andromeda galaxy " below it
注意這個星系的巨大橢圓輪廓,下面標有「仙女座大星系」 。The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings
顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。Then the author focus on schemes including identification, digital signature and deniable authentication, and several classical algorithms are addressed as well. in addition, we analyze the differences between standard security paradigm and random oracle paradigm. based on all above, by using elliptic curve, we establish a new identification scheme and its corresponding digital signature scheme under random paradigm
文章詳細的分析了認證系統的三種類型,即身份認證、數字簽名和消息認證,剖析了一些經典的方案,並對標準安全模式與隨機oracle模式做出比較,並基於隨機oracle模式提出了一個新的身份認證演算法及其相應的數字簽名變形,兩個演算法均在橢圓曲線上實現。In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統相結合,用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,對將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題,它具有高速,高精度和非接觸自動測量等特點。Polish or sand the exterior surface of stainless steel or aluminum discal ware products, which are in the shape of squareness, roundness and oblong. it adopts computer numerical control techniques to achieve polishing automatically
本機器主要用於不銹鋼器皿或鋁製品方形圓形橢圓形等盤狀器皿的外表面拋光或砂光,它採用cnc自動操作系統,數控編程自動加工完成拋光大大降低工人勞動強度,保證產品質量穩定性及拋光亮度一致性,提高生產效率。The main contributions of this dissertation include : firstly, deeply research on underlying techniques of pki system, emphatically analyze dissymmetrical public - key cryptography ecc and compare it with other cryptography techniques
本文首先對pki體系的底層技術進行深入研究,重點分析了非對稱密碼橢圓曲線密碼體制,並將它與其他密碼技術進行了比較。Series analysis showed that the critical buckling pressure of cylinder under external pressure could be obviously decreased with the increase of ellipticity of cylinders
系列計算表明,外壓圓筒體屈曲臨界壓力值會隨筒體橢圓度的增加而明顯降低。Previous algorithms either fitted general conies or were computationally expensive. by modifying the ellipticity constraint, we can ensure what we get is an ellipse, so that we can get the symbol to track moving objects
對此文中通過對橢圓擬合約束條件的修改確保擬合的二次曲線為橢圓,從而實現了符號化跟蹤運動物體的系統。Sealed from water and dust, and employing an optics system consisting of two oval - shaped mirrors to transmit the sight picture to the firer, the oavd is designed to be intuitive to use and more accurate than electronic systems
離軸式觀察裝置經過密封能防水、防塵,是具有兩個橢圓形反射鏡組成的光學系統,觀察目標更為直觀,與電子系統相比也更為準確。Also we study the ecc crypto theory in the field of public crypto system, in which the ecc encrypt principle, safety, reliability, as well as the structure of ecc based on galois field is focused on
研究了公鑰加密系統中的橢圓曲線加密理論,詳細闡述了有限域上橢圓曲線的結構及其基本運算; 3This thesis is composed of following parts : the fundamental theory of the modern cryptology is briefly researched, in which the mathematic model of cryptology, data encrypt principle and galois field theory related with elliptic curve crypto is discussed
論文的主要內容為: 1研究了現代密碼學相關的基本理論,介紹了密碼系統的數學模型、數據加密原理和與橢圓曲線加密密切相關的有限域理論; 2An electronic cash system with multiple banks based on proxy signature from elliptic curve was proposed
摘要提出了一個基於橢圓曲線代理簽名的多銀行電子現金系統。Nucleated dwarf elliptical
有核矮橢圓星系Total conductivity of heat exchanger of ellipse spiral ophidian coils
正交橢圓螺旋盤管換熱器的總傳熱系數In order to obtain dynamic characteristics of transplanting mechanism with elliptic planetary gears of high - speed rice transplanter, a test bed to measure dynamic parameters for high - speed transplanting mechanism is developed
摘要為了得到高速插秧機橢圓齒輪行星系分插機構的動力學特性,研製了高速分插機構動力學試驗臺。A regional satellite navigation system which is made up of geosynchronous satellites and synchronous satellites with elliptical orbit is proposed
摘要提出了一種用靜止衛星和同步橢圓軌道衛星構造的區域衛星定位系統。Chapter 3 proposed a constellation scheme for a regional satellite navigation system. the constellation is consist of geosynchronous satellites and synchronous satellites with elliptical orbit
第三章在分析了適用於構造區域衛星定位系統的衛星軌道類型后,提出了利用靜止衛星和同步橢圓軌道衛星構造星座的方案。The solution s characteristic of the elliptic type eq uat ion and the system of elliptic type equations with first order are discussed by using the methods of several complex analysis. a series new extended results of t he soutions for the system of elliptic type equations are obtained
將一階橢圓型實方程和橢圓型實方程組轉化為橢圓型復方程和橢圓型復方程組,藉助于多元復分析的方法,研究了一階橢圓型方程和橢圓型方程組的解的特徵,得到了有關一階橢圓型方程組解的一系列新的延拓結果A high - order finite diference scheme for nonlinear convection - diffusion problems on nonuniform grids
指數的半線性橢圓系統的非平凡解分享友人