條件相對極值 的英文怎麼說

中文拼音 [tiáojiànxiāngduìjízhí]
條件相對極值 英文
conditional relative extremum
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 條件 : 1. （客觀的因素） condition; term; factor 2. （提出的要求） requirement; prerequisite; qualification
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    （ 3 ）基於最小能耗率原理，以水流能耗率作為目標函數，以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件，通過對目標函數求條件極值，分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。
  3. Conditional relative extremum

    條件相對極值
  4. The effect of meteorological factors on epidemic situation of common infectious diseases hie maximum temperature was positive correlation to the inci - dence of viral hepatitis, typhoid fever and paratyphoid fever, epidemic cerebrospinal meningitis, endemic encephalitis b, the temperature was between 29. 0

    討論一、氣象因子對傳染病疫情的影響本次研究選取了最高氣溫和最低氣溫兩個極值指標，探討了氣象條件對傳染病發病率的影響。相關分析結果顯示，最高氣溫與病毒性肝炎（ p < 0
  5. In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories

    本文特點之一就是採用粒子模擬和數值計算相結合的方法進行模擬計算，分別得到了軸向發射條件下電子在二極體區域和漂移區的軌跡，徑向發射條件下電子在角向磁場、軸向磁場、角向和軸向復合磁場中電子的運動軌跡，分別編制了三個二維電子軌跡計算程序和兩個三維電子軌跡計算程序，最後將粒子模擬和數值計算得到的結果進行了對比，得到了較為滿意的結果。
  6. On the basis of the above summary the creativities of the sharing systems of the shanxi merchants are discussed : ( 1 ) concentrating capital was the result of the average division in the form of organizing capital not the foremost motivation, witch was in fact in order to ensure the rights and benefits of shareholders ; ( 2 ) introducing labor - sharing system was the measure which the shanxi merchants adopt to the rise of the price of labor factor relative to that of capital factor in qing dynasty ; the labor - sharing system promoted the increase of profits of the shanxi merchants " enterprises greatly. however, that effectiveness came into existence only in normal condition. if enterprises were into the red or drawing near bankruptcy the labor - sharing system would otherwise steep up the decline of the enterprises

    在此基礎上，對晉商股份制的上述創新進行了討論：集中資本是資本股份化的結果，而不是最初動因，內在動因是維護股東權益；在收益股份化的基礎上，引入頂身股制是清代晉商企業應對勞動要素價值相對提高的舉措；頂身股制極大地促進了晉商企業利潤的增加，但這僅限於企業處于正常經營狀態時，當企業面臨虧損或瀕臨倒閉，頂身股制反而會加速企業的衰亡；晉商產權制度創新（包括產權結構、組織結構的創新）迫於清代晉商企業的內外部條件變化，具體形式的產權制度是創新主體面對環境變化從成本收益角度出發仔細斟酌、權衡的結果。
  7. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊界條件，我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁（光子）晶體貼片天線的性能進行了研究，結果證明加了這種新的電磁晶體覆層結構以後，天線的波束收攏很多，並且向前輻射的增益大大提高，與普通天線相比，天線的e面和h面方向圖上向前輻射的增益均提高了約6db ，另外，該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ，與該物理尺寸天線的方向性系數的理論極限值（ 11 . 9db ）相差0 . 4db ，該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ，比qiu等人設計的電磁晶體天線的相應差值減少了約1
  8. This paper set up a geological model of sliding mass by geological condition analysis and selection cross section of character representation of guishan sliding mass. the stability of sliding mass is calculated and evaluation under bench stoping and deck excavation in terms of six excavation schemes with limit equilibrium method. there dimensional finite element method is applied to study the stability of sliding mass to the deck excavation schemes by means of computer simulation and calculation

    通過對滑坡體工程地質條件的分析，選取滑坡體的代表性剖面建立了滑坡體的地質模型，選取極限平衡方法就滑坡體在臺階式開挖和整體開挖兩種不同開挖方式共6種具體開挖方案條件下，對滑坡體的穩定性進行了定量計算評價，提出臺階式開挖和整體開挖兩種不同開挖方式的的各開挖方案的比較結果，然後就確定的具體開挖方案開展三維有限元數值計算，並進行評價，以達到相互校核、相互驗證的目的，最後，確定出工程應用的開挖施工方案。
  9. Mathematics formula and fe expression of ideal forming, which is obtained when the global plastic work has its relative extreme value, are provided

    理想形變假設認為變形是在整體塑性功取得相對極值的條件下得到的，文中給出了理想形變的數學公式和有限元表達。
  10. At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections

    首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析，所得分析值與試驗結果相比，加固梁的屈服荷載、極限荷載能夠很好地吻合，彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合；其次，為了滿足實際工程的需要，根據碳纖維布加固構件可能發生的三種破壞形態（壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞） ，區別三種鋼筋混凝土構件截面形式（單筋矩形截面、雙筋矩形截面、 t形截面） ，分別給出了碳纖維布加固混凝土構件抗彎承載力的簡化計算公式和適用條件，並進一步探討了這三種截面形式下進行加固設計和復核的步驟。
  11. In the fourth part, by using the bifurcation theory of planar dynamical systems and the method of detection functions, the paper gives a configuration of limit cycles forming compound eyes. with the help of numerical analysis ( usi ng maple ), it is shown that there exist parameter groups such that a z7 - equivariant planar polynomial vector field of degree 7 has at least 36 limit cycles with z7 - symmetry

    然後，對於一組特定的參數值，研究了它的相軌線的變化趨勢；第四部分指出：在一定的條件下，利用平面動力系統分支理論以及判定函數法，在計算機數學軟體（ maple ）的幫助下，得到結論： 7次z _ 7 -等變平面向量場至少有36個極限環，形成具有z _ 7 ?對稱性的極限環分佈。
  12. The conclusion which, for a given non - extremal admissible control, another admissible control can be constructed such that the corresponding value of the objective functional decreases is proved, based on the result, an optimality condition is obtained and the strong variational method which solves optimal control problem is presented and the associated convergence result is proved also

    證明了對任一非極值允許控制函數，均可構造另一允許控制函數，使最優控制問題相應的目標泛函值有一下降量。在此基礎上得到了最優控制問題最優性必要條件，並給出了求解該最優控制問題的強變分法及演算法的收斂性結果。
  13. In order to compare with the extreme of dynamic solutions when the mach number approaches zero, i. e. the quasi - static propagation, the corresponding quasi - static problem is also studied asymptotically in the paper. the governing equations of crack - tip field are derived, and numerical solutions are obtained by selections of typical parameter values with combination of boundary conditions of each problem

    採用這種率敏感型本構關系，為了與馬赫數趨于零時動態解的極限情況? ?準靜態擴展情況作對比，本文還對相應的準靜態問題進行了漸近分析，推導了裂尖場的控制方程，並選取典型的特徵參數，結合問題的邊界條件進行了數值求解。
  14. A necessary and sufficient condition is given in paper [ 16 ] for the sublinear case by the method of upper and lower solution and pontrjagin maximum principle. but the superlinear results are spare because of the essential difference between the superlinear case and the sublinear case. in section two, we gave a necessary and sufficient condition for the superlinear case

    對於四階奇異微分方程邊值問題有不少研究成果， o 』 regan [ 10 ]中利用拓撲橫截定理給出了其解存在的充分條件，文獻[ 16 ]則利用上下解方法和極大值原理給出了問題在次線性情形下正解存在的充分必要條件，由於超線性與次線性的本質區別，使得超線性的研究結果相對較少，本文第二節則致力於給出一類四階超線性常微分方程奇異邊值問題正解存在的充分必要條件
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