聯立變數 的英文怎麼說

中文拼音 [liánlìbiànshǔ]
聯立變數 英文
simultaneous variables
  • 聯 : Ⅰ動詞（聯結; 聯合） unite; join Ⅱ名詞（對聯） antithetical couplet
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. As the number of people reachable by e - mail has expanded, the lure of reaching large numbers of people for free has become irresistible to marketers, hucksters, crackpots, and anyone who just wants some extra attention

    隨著使用因特網人數的增加（自因特網建立以來，人數一直在增長） ，對于商人、小販、想入非非者以及蓄意破壞者而言，可以無償地聯繫到數目巨大的各類人的誘惑力變得難以抵擋。
  2. The limit theory of law of the iterated logarithm have received more and more attentions, especially about identical independent random variables. but up to now, the studies are only for partial sums and, have n ' t shown any concern on the special finite partial weight suras. however, the partial sums and partial weight sums not only have the osculating aspects, but also have essential difference between them. so the studies for these play an important role in theoretical and applied setups

    因此對重對數律的研究引起了國內外學者的興趣，對獨立同分佈的隨機變量，許多學者做了大量的研究工作，但迄今為止這方面的研究仍限於部分和數列的重對數律，很少涉及到特殊加權和的領域，而部分和與加權和之間既有密切聯系，又有本質不同，因此，這一問題的研究具有一定理論意義和應用價值。
  3. Two stage local linear estimation for variable coefficient macroeconomics simultaneous equations model

    變參數計量經濟學聯立模型的二階段局部線性估計
  4. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律，結合油氣動態系統的一般特點，結構特點，兼顧油田開發規劃設計的要求，利用功能模擬原理（含神經網路方法、微分模擬方法） ，依據油田歷史數據，建立了油田開發動態指標間的輸入輸出關聯關系，並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測，同時利用最優化原理，在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ，這些優化模型包括：產量構成優化模型（解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題） ；措施產量結構優化模型（解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題） ；產量分配優化模型（將油田的產量最優地分配到各採油廠）以及油田綜合開發規劃模型。
  5. This article canvass the status quo of the archive ' s automatization administration and the develop status of data mining, and discusses how to combine the data mining technology with the archive work from data cleaning means, data mining arithmetic, and data storage etc. and this article put forword a data mining syst em design idea. this article ' s structure is : first, in allusion to the archive data status quo, the pretreatment work of archive data that include data quality evaluation, data cleaning and data commut - ation process is bringed forword ; second, in the process of realizating data mining, the article discusses conception description, association rule, class three familiar means of applicating data mining, also put inforword the concrete arithmetic and the program design chart, and discusses the range and the foreground of all kinds of arithmetic when they are applicated in the archive ; third, the base of so you say, this article also discusses the importance of the archice applicate data storage and the means of realizing it ; last, the article discusses seval important problem of realizing an archive data mining system from data, diversity, arithmetic multiformity, mining result variety and the data pretreatment visibility, mining object descriptive visibility, mining process visibility, mining result visibil ity, user demand description and problem defining etc aspect. the article ' s core is how to import data mining technology in the archive work

    本文評述了檔案自動化管理現狀和數據挖掘技術的發展狀況，從數據清洗方法、數據挖掘演算法、數據倉庫的建立等方面論述了如何將數據挖掘技術與檔案工作相結合的具體思路，並提出了一個數據挖掘系統的設計思想。文章首先，針對檔案數據的現狀，提出了應對檔案數據進行預處理工作，包括數據質量評估、數據清理、數據變換和歸約等過程；其次，在具體實現數據挖掘過程中，本文結合檔案數據的特點探討了概念描述、關聯規則、分類等三種常見挖掘形式的實現方法，提出了具體的實現演算法和程序設計框圖，並論述了各種演算法在檔案工作中的應用范圍及前景；第三，在上述基礎上，又論述數據倉庫在檔案數據挖掘中的重要性並提出了實現一個檔案數據倉庫的方法；最後，從處理數據的多樣性、演算法的多樣性、挖掘結果的多樣性、數據預處理可視化、挖掘對象描述的可視化、挖掘過程可視化、結果顯示可視化、用戶需求的描述及問題定義等幾方面討論了實現一個檔案數據挖掘系統的幾個重點問題。全文以探討如何將數據挖掘技術引入到具體的檔案工作實踐中為核心。
  6. A nonlinear mathematical model is developed to determine the flow rate distribution in the parallel tubes of boiler superheater and reheater by depending on the relation of pressure drop among individual tubes and accounting for the static pressure variations in the inlet and outlet headers

    根據並聯管組各根管子進、出口壓力降之間的關系，並考慮到分配集箱與匯集集箱中流體的靜壓變化，建立了鍋爐過熱器、再熱器流量分配的非線性數學模型。
  7. Improve the management level of coscon, meet the increasing demands in the capital market ; enhance the professional business ability, strengthen and develop the global container shipping network ; implement active sales policy ; solidify, penetrate and extend effective market ; equally develop fleet management and managing fleet, route extension and reduction ; build effective customer service system, win the market by “ high quality ” service ; bring the advantage of alliance cooperation into full play, improve the profit - making ability ; strengthen the use of information system, boost “ digital ” development ; implement the strategy of “ talent for strong business ”, train responsible company and responsible staff ; establish a complete financial and accounting system of capital operation to improve the level of financial management ; optimize the domestic and overseas management pattern, form a resultant force of the global container shipping network ; expand the scale of shipping capacity, enhance the company ' s competitive edge ; finish the transformation from sheer production operation to the double operations of capital and production, maintain the sound and stable development of business

    提高公司管治水平，滿足不斷提升的資本市場要求；增強專業化經營能力，鞏固發展全球集裝箱網路化運輸；實行積極營銷政策，鞏固、滲透和拓展有效市場；實現船隊經營與經營船隊並舉及航線擴張與退出並舉；構築有效的客戶服務體系，以「高品質」服務贏得市場；發揮聯盟合作優勢，提高盈利能力；堅持強化運用信息系統，催生「數字化」 ；實施「人才強業」戰略，打造責任公司、責任員工；建立完善資本經營財會體系，提高財務管理水平；完善海內外管理模式，形成全球集裝箱運輸營銷網路的合力；擴大公司運力規模、增強公司競爭實力；完成由單純的生產經營向資本經營和生產經營並舉的轉變，實現公司業務的健康、穩健發展。
  8. First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control

    文中，首先通過建立系統的數學模型，分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性，包括它的環流特性、功率特性和電壓閉環調節特性；在此基礎上，又研究了幾種典型的並聯運行控制方式；然後，採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。
  9. Topics include statistical inference, regression, generalized least squares, instrumental variables, simultaneous equations models, and the evaluation of government policies and programs

    主題包含了統計的推論、回歸、一般化最小平方、工具變數、聯立方程模式、以及政府政策與計劃的評估。
  10. For the actual situation of multiplayer production in most oil wells, velocity and flow change are considered in the model while fluid moves up the well, and conservation equation including continuous equation, momentum equation and energy equation are solved together

    對大多數生產井多層產液的情況，並考慮到井筒內液體在上升過程中的速度變化和流量變化，把質量、動量和能量守恆方程耦合聯立求解。
  11. A variable is sampled in a certain increment, and introduced into the equations. there are two sets of any two equations to be solved. the real solutions of the two sets are protracted in spatial coordinate system to obtain two curves, so that the intersection points of the two curves can be found as the solution of the original equations

    針對所得三元高次多項式方程組，採用數學分析軟體mathematica編製程序，以一定的步長增量，在一定范圍內取一個變量的值，並將其代入方程組中，求解其中一個方程分別與另外兩個方程聯立的方程組的解，將得到的實數解繪製成兩條空間曲線，其交點即為原三元方程組的解。
  12. Regarding the discrete magnetic vector potential and loop currents as the state variables, and combining the fem with the multi - loop method, a mathematical model of the synchronous machine with internal faults is set up in this paper

    本文以矢量磁位和迴路電流為求解變量，把電機的電磁場方程與反映繞組聯接情況的電路方程聯立起來同時求解，提出了同步發電機定子繞組內部故障的瞬態電磁場與多迴路耦合的數學模型。
  13. 3. algebraically explicit analytical solutions of two - buoyancy natural convection in porous media applying the approach of separating variables with addition, the thesis derives three sets of simple and clear algebraically explicit analytical equations describing the natural convection in porous media with both temperature and concentration gradients. besides the theoretical meaning, they are more valuable for be the benchmark solutions to check and improve the computational fluid dynamics and computational heat and mass transfer

    三、多孔介質中溫度與濃度梯度耦合自然對流基本方程的代數顯式解析解本論文對王補宣院士等給出的反映多孔介質中溫度與濃度耦合自然對流的五元非線性聯立偏微分方程，利用加法分離變量法，導出了三套比較簡明的代數顯式解析解。
  14. And by applying linear programming, the paper analyzes and optimizes data communications market and points out the direction of optimizing the structure of hunan data communications products in the future. on the basis of the above analysis, six marketing strategies are established such as developing the services with different extent according to the three layers, establishing the cooperative alliance of multi - winning instead of win - or - lose one, optimizing the products structure, developing wide - band services in priority and so on

    在上述分析和研究的基礎上，提出和制訂了湖南電信數據通信業務的市場營銷策略，包括根據業務模型有重點、分層次抓好業務發展，廣泛建立聯盟變「單贏」為「多贏」 、抓好產品的結構優化調整、優先發展新興寬帶業務等，轉換企業經營機制，積極探索新增長點等。
  15. Using fluid analyze software, the 3d turbulent flow is stimulated based on navier - stokes equations and k - model. the turbulent flow through axial flow pump impeller is simulated by using the non - uniform triangle mesh system and the finite volume method. calculated results are presented at the design operating condition for the impeller in detail, which give a valuable reference to improve the performance of the impeller

    最後，應用cfx流體分析軟體，基於n - s方程和標準-紊流模型，採用非結構化網格技術，用聯立求解各變量代數方程組的方法對設計工況下的軸流泵葉輪內部的三維紊流場進行了詳細的數值計算與分析，並預測其性能。
  16. The rbf network has a better performance, and better forecasting accuracy. then mathematical model of substation voltage / var control is constructed, the squares minimization of voltage differences as target, also considering requirement of voltage and power balance, taking it into consideration that the magnitude constraint of transformer ratio and compensating capacitor, also that constraint of operation times of one day transformer tap and capacitor switch

    因此提高了學習性能，具有較好的預測精度。然後，建立變電站電壓無功控制的數學模型，考慮電壓的調壓要求和無功功率平衡，計及變壓器變比和並聯補償電容的上下限約束，變壓器分接頭和電容器允許的日調節次數的限制，以電壓偏差的平方和最小為目標函數。
  17. And then, this parallel connection operating optimization reconstruction project is put forward in variable speed pump of circulating water system, finally we found the optimization mathematic model and workout its optimization operation program

    然後又結合某電廠循環水系統優化運行方式的改造，給出循環水系統變速泵並聯運行優化改造方案。通過建立變速泵並聯運行時的優化數學模型，並編制了相應的優化運行程序。
  18. In this paper, a 3d finite element analysis software ( fzfx3d ) was compiled to simulate the construction process of mass concrete structures constructed with sequence method. based on the practical project xiluodu arch dam, the dam ' s construction process was simulated by a small time step size, 0. 5 or 1 days. the environmental temperature change, hydration heat rise, artificial cooling, creep, volume deformatio

    運用laplace變換方法將溫度的求解表示為只與空間坐標及澆築時間有關的函數，從而避免了用隱式差分法、有限元法求解時需求解聯立方程的因而對測點選擇的依賴，也避免了顯式差分法求解穩定性受時間步長，測點間距大小限制的缺點，因而具有測點布置靈活的特點。
  19. On the same time, the strengths and weaknesses of all models are estimated. in addition to the above, the paper evaluates csi models in different countries and analyzes the construction of the csi model

    用戶滿意度指數模型是由多個結構變量構成的因果關系模型，其數量關系通過多個聯立方程的計量經濟學模型進行估計。
  20. This paper assesses and analyses disaster degree of flood - waterlogging disaster by use of three - factor influence assessment method. it establishes the synthetic disaster index model and analyzes the in fluence degree of different disaster factors on synthetic disaster condition by use of the method of continuous substitution. the study results show as follows. the variation of disaster degree has the features of quasi - period and of development by stages ; the factors of flood disaster condition are the main influence factors on variation of synthetic disaster condition ; the influence direction of different factors are not all the same, and the factors that enlarge disaster condition show the new characteristics of flood - waterlogging disaster ; because the waterlogging disaster is serious da ybyday, the control of waterlogging must be strengthened

    運用三因子聯立評估法，評定了洞庭湖區洪災，澇災和洪澇災的災度，進行了相應的分析;構建了洪澇災情指數，並運用聯環替代法對各災情因素的影響進行了分析.分析得出:洞庭湖區洪澇災度具有階段性和準周期性等特徵;洪災災情因素是綜合災情變化的主導影響因素;各災情因素影響方向不完全一致，其中起放大作用的因素反映出洪澇災害的新特點;澇災日趨嚴重，應加強澇災治理
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