邊限效用 的英文怎麼說

中文拼音 [biānxiànxiàoyòng]
邊限效用 英文
marginal utility
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 邊限 : margin
  • 效用 : effectiveness; efficacy; efficiency; utility; usefulness; avail
  1. Our company specializes in gilding press, heat to transfer to such mechanical manufacturers as the printing machine, branding machine, etc., ten has been over the past over years, the steady, safe and durable machinery that producing the quality by innovating the idea developed constantly, well received by customer, and offer the manufacture of the special specification and development of the peripheral equipment to let customers have perfecting even more, more high - efficiency quality and can produce to all kinds of products different characteristics of the customer

    崇一機械有公司是專業生產燙金機、轉印機、熱轉印機、烙印機、燙印機等機械製造商,十餘年來,不斷以創新開發的理念製造出品質穩定、安全耐的機械,深受客戶好評之外,並針對客戶各類產品不同的特性提供特殊規格的製造及周設備的開發設計讓客戶有更完善、更高率的品質和產能。
  2. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含界鄰域在內的完全四階精度的法向有差分格式,這對方程精確離散至關重要;採全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  3. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應控制理論和三維歐拉方程的機翼氣動反設計研究,以及有升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及界條件數學表達形式,研究與發展了三維共軛方程的有體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。
  4. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題,隨著強流離子束應前景的日趨廣闊而日益成為研究的熱點。傳統機械束器因無法解決束暈的再生而收甚微,因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此,中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運於束暈?混沌的控制上,提出了控制束暈?混沌的非線性控制策略,即在粒子徑向所受束自生場力方程的右加上非線性控制函數g :並選取一些非線性函數如等進行了控制的模擬研究,將束暈強度控制在0 . 1078左右,取得了初步的控制果。
  5. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程;提取穩態單元集節點形成截面網格;利隱式積分方法分析軋制道次間隙瞬態溫度場;對型鋼斷面進行平面四形網格劃分並映射節點溫度數據;利六面體單元構建有元分析模型,映射單元節點的溫度、積分點的等塑性應變,進行數值分析。
  6. For landside correction in excavation project, this paper is based on the stress remolding method and commences to analyze the slope in excavation project : apply loads to the slope and reset the slope in an original stress and make it work like before excavation

    對于開挖坡的滑坡問題,本論文根據應力重塑的方法對開挖坡進行處理,在坡面上施加荷載,使得坡土體恢復到未開挖的穩定應力狀態;並且利大型有元軟體ansys來進行等應力分析。
  7. Economists have stated a general rule concerning marginal utility for an individual faced with a given budget constraint and given price.

    經濟學家對一個面臨有收入和一定價格的個人的,總結了一條一般的法則。
  8. Mechanism of highly frequently used ads ultra - lexicon and its marginal effect

    廣告語的高頻化機理與
  9. The influence of msfvw bandwidth on the diffraction efficiency is also considered. for the nonuniform bias magnetic field of u - type parabola profile, when the msw frequency is less than the cut - off frequency at the edge of mo film, the effective mo interaction length reduces. the edge cut - off frequency is determined by the maximum of the nonuniform field

    對于拋物型分佈(開口向上)的偏置磁場,當激發靜磁波的rf頻率小於緣截止頻率時,磁光作的有長度減小(與靜磁波頻率有關) ;緣截止頻率由不均勻磁場的最大值決定,靜磁波的下截止頻率由不均勻場的最小值確定。
  10. The finite element method is used to simulate the instantaneous response of a high - rise building with a sudden invalidation of side columns of the ground floor

    摘要為研究高層建築結構整體性問題中連續倒塌問題,採元方法模擬高層結構底層柱突然失時的瞬時動力響應。
  11. In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples

    第二章在聲波動理論基礎上,詳細地推導出對應于無域和半無域的外部振動聲輻射問題的界積分方程計算公式;根據fredholm積分理論,對利界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有性和可靠性;對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究;開發了三次樣條改進chief法計算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有性和在保證計算精度的前提下實現剖分粗化以提高計算率的可行性。
  12. The transient mathematical equations are addressed for the coupled heat and moisture transfer by taking account of moisture accumulation procedure. an analytical method by means of the transfer function is proposed to predict the transient distributions of temperature and moisture content at different interfaces in walls. a numerical analysis approach based on an efficient finite - difference method is developed to deal with the procedure of coupled heat and moisture transfer in a multilayer wall with nonlinear boundary conditions considered

    建立了考慮濕積累過程的瞬態熱濕耦合模型,在方程中引入了濕積累項;發展了一種傳遞函數解析方法進行墻體內不同剖面處溫度和含濕量的動態預測;首次提出了一種基於有差分法預測非線性界條件下多層多孔結構內的傳熱傳濕過程的數值分析方法,求解過程中考慮了瞬態界條件,從而避免了通常處理中由於界條件設定為常數而給計算帶來的誤差,對于多層結構每一層物性參數的非連續性,則採了有的有差分逼近處理。
  13. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中,壩型的選取顯得尤為重要,特別對于壩基有深厚覆蓋層的堆石壩,心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位,設計方案是否安全、科學和合理,對大壩防滲和穩定起到至觀重要的作。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應果,為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考;在吸收和歸納了國內外堆石壩的設計研究成果的基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案,分別按竣工期和蓄水運行期的不同工作情況進行了有元非線性計算分析;對左岸高陡坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有元靜力計算分析和研究;對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有元靜力計算分析和研究。通過對不同方案的計算分析和研究,比較全面的了解了各方案壩體,尤其是防滲體的應力和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。
  14. 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

    為了解決現有的殼單元方法需要大量計算機時的缺點,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的管子直線段部分的變形等為一個非線性彈簧,將此等界引入到有元模型中,使得模型中的殼單元部分主要來分析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。
  15. Following, making development study from the three directions : the first one is how to reduce calculation when to use markowitz model. this text has improved the efficient frontier of markowitz model utilizing free risk assets, and reduced calculation about revenue rates " co - variance matrix utilizing single or multiple factors, and so on. the second one is to add thinking factors about, such as transaction fee, fund limitation, lowest transaction unit ' s limitation, risk measures and exchange rate risk of international portfolio securities, so as to make markowitz model closer to our country ' s practice

    接著,分三今方向對markowitz模型進行了拓展研究:第一個方向是運markowitz模型時如何減少計算量,本文利無風險資產來改進markowitz模型的有界,利單因子或多因子模型來減少收益率協方差的計算量等等;第二個方向是增加考慮因素,諸如交易費、資金制、最小交易單位制,風險測度和國際組合證券的匯率風險,使markowitz模型更貼近我國的實際;第三個方向是對markowitz模型進行動態拓展研究,提出了將證券收益率看成是隨機序列時的投資決策模型,深入研究了m ? v有界隨資產品種數增加而發生的漂移,並解析方法和幾何圖形描述了漂移的軌跡和方向。
  16. The whole dynamic finite - element analysis simplified based on 2d plane is performed to adapt engineering requires. the effect of both kinematic interaction and inertial interaction on pile - soil - structure systems within layered soil field is relatively comprehensively investigated. at the same time, the boundary effect of model, the horizontal dynamic features of piles and the nonlinear characteristic of slide and contact on the interfaces of pile - soil are considered too on the ground of no - element meshing technique applied for dimensional effect of piles in stratum - soils

    建立了以適應工程需要的基於二維平面動力分析的簡化整體有元模型;提出了能有考慮樁尺寸應的樁-土無單元劃分技術,在考慮了模型的應、樁基的水平動力特性和樁土界面的滑移、接觸非線性行為的基礎上,從時域內較為全面的研究了層狀土域中樁基上下部結構的慣性相互作和運動相互作兩種基本應。
  17. The control equation consist of completely coupled deformation equation, seepage equation, conduction and convection equation of heat, which describe the reservoir non - liner performance. 2, present the detailed strategy and methods to solve this mathematics model, the basic strategy as follows : regard the deformation equation ? seepage equation conduction and convection equation of heat as separate system, and solve the equation by coupling and iterative method ; disperse the control equation in the geometry field by the finite element method ( galerkin ), and in the time field by the finite difference method : programme the computer program on this task ; when the solving, take the combinative measures of the thick and thin mesh ; successfully carry out the numerical simulation in vast 3d heat extraction system of hdr

    2 、提出了高溫巖體地熱開發的固、流、熱多場耦合數學模型的數值解法,其基本的求解策略是:將固體變形,流體滲流與溫度場方程看成獨立的子系統,耦合迭代求解;利元離散( galerkin )方法將控制方程在幾何域上離散,並差分法得到時間域上的離散方程,並在此基礎上,編制了相應的計算機源程序;有元求解中,為減小應的影響,在計算中採取粗細網格結合的方法,順利地實現了高溫巖體地熱開發三維巨系統的數值模擬。
  18. There are still some restrictive factors, which are as follows : long - term behaviors were ignored, marginal utility presented reducing tendency, and compensations were short of trade competition superiority

    但亦存在一些制因素:短期薪酬忽視長期行為的激勵、短期薪酬存在的遞減、短期薪酬缺乏同業競爭的優勢。
  19. The error of the capacitance, electrostatic force and sensitivity between the computed values got from these models and the simulated values got from ansys for different angle of decline are researched

    元工具ansys中的電場模塊,分析了傾斜電容極板的電場應。分析了文中所的電容和靜電力模型的計算值和模擬值間的誤差。
  20. Analyzing the necessity of post - family management change by the contingency theory and the human capital theory ; demonstrating the edge of family firm management in private firm in the diagram of cost - income ; concluding the external force and external utility of post - family management change and expanding principal - agent module to conditional principal - agent module for fitting post - family management change

    本文採權變理論、人力資本理論分析后家族管理變革的必然性;運交易成本理論引申到家族管理的運營成本,成本? ?收益法圖示出家族管理的界;應路徑依賴理論分析后家族管理的外部約束和外部;將委託? ?代理理論延伸到后家族管理變革中得出有委託? ?代理制度。
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