正雙曲線 的英文怎麼說

中文拼音 [zhēngshuāngqūxiàn]
正雙曲線 英文
right hyperbola
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 雙 : Ⅰ形容詞1 （兩個） two; twin; both; dual 2 （偶數的） even 3 （加倍的） double; twofold Ⅱ量詞（用...
  • 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...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. A pair of new inodorous halfsilk black ladies hose, a pair of new violet garters, a pair of outsize ladies drawers of india mull, cut on generous lines, redolent of opoponax, jessamine and muratti s turkish cigarettes and containing a long bright steel safety pin, folded curvilinear, a camisole of baptiste with thin lace border, an accordion underskirt of blue silk moirette, all these objects being disposed irregularly on the top of a rectangular trunk, quadruple battened, having capped corners, with multicoloured labels, initialled on its fore side in white lettering b. c. t. brian cooper tweedy

    一雙嶄新沒有氣味半絲質的黑色女長筒襪，一副紫羅蘭色新襪帶，一條印度細軟薄棉布做的大號女襯褲，剪裁寬松，散發著苦樹脂素馨香水和穆拉蒂牌土耳其香煙的氣味，還別著一根鋥亮的鋼質長別針，折疊成曲線狀。一件鑲著薄花邊的短袖麻紗襯衣，一條藍紋綢百褶襯裙。這些衣物都胡亂放在一隻長方形箱蓋上：四邊用板條釘牢，四角是雙層的，貼著五顏六色的標簽，正面用白字寫有首字b . c . t布賴恩庫珀特威迪。
  2. In order to solve the problems of which the spiral bevel gear of oerlikon type is necessary to out and modify repeatedly, a new method was developed to predict the contact pattern and greatly reduce the cost for manufacturing by means of building a tooth contact analysis model of prolate epicycloids bevel and hypoid gears for oerlikon skm2

    摘要為解決奧利康錐齒輪加工過程中需要反復試切、修正的問題，根據奧利康skm2機床建立了加工延伸外擺線齒錐齒輪和準雙曲面齒輪的齒面接觸分析模型，提出了一種可預測齒面接觸質量、降低設計加工成本的新方法。
  3. The directrixes of the in former two transmissions are the loxodrome and the geodesic on the pitch cones, that of the latter is an equal - pitch line along the direction of straight generatrixes in the hyperboloid surface, also is the vertical trajectory of the straight generatrixes

    前兩種傳動形式的準線分別為節錐面上的斜航線與測地線，後者的準線為單葉雙曲面上沿直母線方向的等螺距曲線，且為直母線族的正交軌線。
  4. Therefore rath may be used as an exploratory tool to test a given equation has solutions of the assumed form

    因此rath可作為一個測試非線性演化方程是否擁有雙曲正切多項式形式的孤波解的有效實用的工具。
  5. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。
  6. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。
  7. This new basis provides properties analogous to berstein polynomials, including symmetry, zeros of the basis functions, positivity, normalization, etc. based on this new basis, we define a new kind of curves, to be called h - bezier curves, with control polygon

    本文利用多項式混合雙曲形式在空間中構造了一組新的基，稱為h - b zier基，它具有類似於bernstein基的端點性質，零點階數，正性，正規性質，對稱性等性質進一步，文章通過控制多邊形的方式定義了h - b zier曲線
  8. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理，通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性，並給出了模擬系統的硬體結構；然後為了實現交流勵磁發電機有功、無功功率獨立調節機理，分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略；針對雙饋發電機轉子能量雙向流動的要求，提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器；最後為實現從理論到實踐的全面研究，研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統，進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗；所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  9. First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed

    首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足；針對船用主鍋爐的結構及運行特點，設計了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統，同時給出了系統原理圖及有關參數的過渡過程曲線，討論了系統工作原理及優缺點；在雙交叉限幅燃燒控制系統的基礎上，將固定偏置經過自變量的選取，改進成變偏置，設計了變偏置雙交叉限幅燃燒控制系統，給出了系統原理圖及有關參數的過渡過程曲線，同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。
  10. After the comparison of the stability checking computations and the section categorised situation both at home and abroad the current standard, some problems was discussed in the standard of our country. contraposed these questions, the paper computed the space stability coefficient of some general t - shaped and l - shaped sections and all the sections of t - shaped, l - shaped and 2 - angle iron t - shaped in the formed - steel - table, and worked out the curves. according to the comparison of the curves the paper got and the curve in the standard, some simple conclusions was put

    對國內外現行規范軸壓柱穩定驗算方法及柱子曲線截面分類情況進行了對比，討論了我國規范曲線中存在的一些問題，並針對這些問題，以規范初始彎曲值對任意「 t 」形和「 l 」形截面和型鋼表中所有t型鋼、 l型鋼、雙角鋼t形鋼截面的空間穩定系數進行了計算，作出其與規范曲線的比較圖，通過計算結果的分析對各類截面歸類情況作了簡單的評述，其中提出的一些建議可以作為規范修訂的參考依據；同時，這些計算結果也進一步證明了本文的柱子空間穩定分析方法的正確性。
  11. The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data

    採用面元法預報大側斜螺旋槳水動力性能，螺旋槳表面及尾渦面離散為四邊形雙曲面元，每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言，槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元，這容易使槳葉表面速度的計算結果不正確，甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃分方法，能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件
  12. Nonlinear constitutive relations are discussed for analyzing the stress distribution, the appearance and development of the cracks, as well as the behavior of the boundary conditions of the two way slabs respectively. in the light of the experimental research on r. c. two way slabs under static loading, the behavior of yield line, the load deformation curves and the crack yield, plastic limit loads of slabs with different supporting conditions are studied

    根據反映雙向板混凝土材料非勻質性的本構關系，分析了雙向板在荷載作用下的變形、屈服、裂縫和破壞的形態特性，並對鋼筋混凝土雙向板在不同支承條件下的塑性極限荷載、正常使用撓度（曲線）和截面設計作了進一步研究。
  13. Furthermore, the dual - exponential curve transformation needs no reference time intervals for calibration, and hence it immunes to the uncertainties such as jitter of the reference inputs

    更重要的是，雙指數曲線轉換的方法不需要參考的時間單位來作為校正輸入，因此可以避免參考時間的不確定性如時基抖動所造成的誤差。
  14. Based on the simple understanding of normal seismic processing, this paper has carried out deep research on the problems of deep prospecting in seismic data processing, such as s / n ( signal to noise ratio ), velocity analysis and residual nmo of unsymmetrical hyperbola, stacking and imaging of complex rays and migration arc. until now tens of accomplishments have been achieved

    在簡單了解地震資料常規處理的基礎上，本文針對當前深層資料的問題，緊緊圍繞著深層地震數據處理技術研究需要解決的重點問題，即信噪比問題、非對稱雙曲線的速度分析與剩餘動校正時差問題、復雜射線的迭加及偏移成像問題和偏移畫弧問題等，進行了深入的研究工作，目前已完成十多個成果。
  15. This paper stated the application of parallel link mechanism in modern machine tools, set up the error analysis as to parallel link mechanism in the virtucal - axis machine tool, derived the double triangular error equations of parallel link mechanicsm in its horizontal posture, analyzed the linearity and non - singularity of the error equations, thus giving the normal splution to the horizontal posture error. the error distribution law is simulated as to the center line in the workplace, and the error distribution curves are drawn as well

    該文對並聯機構在現代機床上的應用作了論述，建立了虛擬軸機床並聯機構的一種誤差分析方法，應用坐標變換原理導出了雙三角並聯機構水平姿態時的誤差方程組；分析了誤差方程組的線性和非奇異性，給出了水平姿態時的位姿誤差正解；對工作空間中心線的誤差分佈規律進行了模擬，繪制了其誤差分佈曲線。
  16. The mathematics - mechanization method is applied the field of differential equations. many algorithm for constructing solitary wave solutions for a class of nonlinear wave equations are given, and implemented in a computer algebraic system, such as the hyperbolic tangent function method and the hyperbolic function method etc. exact solitary wave solutions of a great deal of nonlinear equations are gained

    將機械化數學方法應用於偏微分方程領域，建立了構造一類非線性波方程的精確孤立波解的許多演算法，如，雙曲正切函數展開法，雙曲函數方法等，並在計算機數學系統上加以實現，因而推導出了一批非線性波方程的精確孤立波解。
  17. This paper has broaden the concept of maximum likehood estimate, put forward a new concept : so called " direction maximum likehood estimate ", and has proved the isosceles hyperbolic curve relationship of parameter, under the condition of normal distribution and logarithm normal distribution

    摘要在本文中將極大似然估計的定義進行了推廣，提出了方向極大似然估計的新概念，並在正態分佈、對數正態分佈下證明了兩參數、的等腰雙曲線型關系。
  18. That is to say, this paper improved the layer summation method in order to make it can adapt to any shape load ' s effect and can be used to calculate the eventual foundation deformation of a point at will. at the same, this paper still combined concretion formula of one dimension and hyperbolic method with mathematical and statistical method and revised the hyperbolic method in order to make them can be used more rational

    這三種改進的計算方法，即對分層總和法進行改進，利用編程計算，使其可應用到對任何形狀填築體荷載作用下的任意點處的地基最終沉降變形計算；將一維固結公式及雙曲線法與數理統計相結合，並對雙曲線法進行修正，使兩種方法的應用更趨合理。
  19. Finally, this paper detailedly introduces the application of preloading method combining with vacuum stack - load in the practice of a freeway project. three sorts of experience calculation method of final settlement which based on the settlement data measured in - site are contrastively analysed, and points out the hyperbola method be recommended for settlement predicted because it accord with the actual instance of guangdong pearl river delta area, and bring up the range of settlement correcting coefficient corresponds to the characteristic of the region

    最後，本文結合某高速公路工程實踐，詳細介紹了真空聯合堆載法在高速公路上的應用，並利用實測沉降曲線對三種預估最終沉降量的經驗方法進行了對比分析，提出了雙曲線法計算最終沉降量較符合廣東珠三角地區，並提出較符合地區特點的沉降修正系數取值范圍，可供類似工程參考。
  20. Modified hyperbolic function method and exact solutions to nonlinear evolution equations

    修正雙曲函數法與非線性發展方程的精確解
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