次要約束條件 的英文怎麼說

中文拼音 [cìyāoyāoshùtiáojiàn]
次要約束條件 英文
secondary constraint
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 要 : 要動詞1. （求） demand; ask2. （強迫; 威脅） force; coerceⅡ名詞（姓氏） a surname
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 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
  • 次要 : less important; secondary; subordinate; minor; next in importance
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  • 條件 : 1. （客觀的因素） condition; term; factor 2. （提出的要求） requirement; prerequisite; qualification
  1. 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。
  2. 1 ) the principles of various rotary - type transplanting mechanisms of high - speed rice transplanter had been studied, and the subjects for further research - - studying their dynamics characteristics to improve their dynamics performance and further to enhance the efficiency were put forward. an innovative idea of two - stage - optimization for dynamics analysis was presented in the paper. the creativity of the idea was that the kinematics optimization ( first stage optimization ) results were the constraint for dynamics optimization ( the second stage optimization )

    本文主要的研究內容和結果如下： 1 ）研究國內外各種類型的旋轉式高速水稻插秧機分插機構的工作原理，指出尚待研究的問題? ?研究其動力學特性，以改善動力學特性，進一步提高插次；為此提出了動力學兩級優化的創新性思路? ?以運動學優化（ 1級優化）得到的機構參數范圍作為動力學優化（ 2級優化）的約束條件，最終得到的最佳參數不僅能滿足運動學的要求，又具有最佳的動力學特性。
  3. Secondly, their aims are made the investment of substations, feeders or running cost of electric power system minimum. but they do n ' t take into account of land utilization, street accessibility of right of way, etc., but demands of electric power system. generally, a straight line distance, namely, euclid distance, was used for calculating the distance between a load point and a substation, which is a straight forward but non - practical way for most planning techniques

    其次受研究工具的限制，這些模型以工程投資、運行費用等最小為目標，僅能考慮導線載流量、電壓降等電力系統技術約束條件，簡化略去了用地限制、街道可達性等重要的自然約束條件，且求解這些模型的前奏是計算負荷點到變電所的歐幾里得距離（直線距離） ，簡便但不切合實際（這一點在城市電網規劃中尤其重要） ，因此較難給出技術上可行的最優解。
  4. Firstly, a 0 - 1 integer programming mathematical model is constructed to describe tail - number - assigning work happened in domestic airline, since the problem is npc, a unified polynomial algorithm which satisfies engineering requirement is unavailable. illuminated by the practical experience, a specific tna problem is classified into one of three typical tna modes : tna based on fleet dispatching commands, tna based on fleet balance application, tna based on minimum fleet requirement ; secondly, by simplifying and relaxing some minor constraints, corresponding mathematical models and heuristic algorithms are reconstructed for each typical tna mode ; finally, computing complexities are discussed

    為此論文在借鑒手工編制排班計劃經驗的基礎上，將一個具體的飛機排班問題，歸結為三種典型排班模式中的一種，即：基於飛機調度指令要求的排班問題，基於飛機使用均衡要求的排班問題和基於最少需用飛機數的排班問題，對于每種典型的飛機排班模式，在對次要的約束條件進行簡化、松馳的基礎上構造出相應的能夠滿足工程應用要求的啟發式演算法，並分析了演算法的復雜性。
  5. We use rac ( radial alignment constraint ) of imaging process to decompose camera parameters. by organizing the solving sequence of the parameters rationally, we can obtain all parameters through solving systems of linear - 3 - abstract equations. accordingly we have changed the situation that ? he former camera calibration rac methods should depend on the non - linear optimization and has strict requirement to illumination, the situation that the calibrating distance is too short

    演算法考慮到攝像機模型中的一階徑向畸變，巧妙地利用成像過程中的徑向約束（ rac ）分解攝像機參數，同時通過合理地組織參數的求解次序，使得經由求解線性方程組就可以得到全部的攝像機參數，從而改變了以往攝像機rac標定方法依賴于非線性優化，以及對光照條件要求嚴格和標定測定距離短的情況，使得rac方法較以往的演算法更為精確、快速、簡便，並且更加具有推廣價值。
  6. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是：對國內外預應力鋼結構的發展歷史及現狀作了綜述和總結，指出當前預應力鋼結構工程實踐中存在的主要問題；闡述了預應力鋼結構的受力機理，並指出預應力鋼結構的適用范圍和特點；在考慮結構應力和變位約束的條件下，建立預應力鋼結構優化設計模型；提出多次預應力鋼結構優化設計方法和步驟，採用線性規劃和滿約束準則相結合的優化方法，可優化設計出施加的每一級預應力的大小，並得到結構各部分的優化截面；對多次預應力最佳的施加次數作了分析，並建議以2 3次為宜；為驗證文中理論和方法，分別對大跨多次預應力鋼屋架、局部布索的水平平行弦鋼桁架、整體布索的水平平行弦鋼桁架和局部布索的超靜定鋼桁架等算例進行了優化設計，經濟效益明顯；對水平平行弦鋼桁架的幾種施加預應力的方案進行比較，對于局部布索，預應力只對下弦起到卸載作用，對上弦和腹桿基本不起作用；而整體布索預應力除對下弦卸載外，對索折點以外部分腹桿也起到卸載作用，經濟效益好於局部布索。
  7. The heuristic analysis, some concepts and theorems of constrained optimization are employed, e. g., linear feasible direction ( lfd ), and then the proof is first provided for the uniqueness, i. e., maximum nongaussianity is the sufficient and necessary condition to independent source recovery. moreover, based on the conclusion of the uniqueness of maximum nongaussianity, the paper also proposes an alternative but straightforward approach to the proof for the well known “ one - bit - matching ” conjecture presented in multi - unit approaches

    和基於啟發性分析等傳統方法和結論比較，文中引入了線性化可行方向（ linearfeasibledirection ， lfd ）等約束優化概念和理論，首次給出了基於峭度的最大非高斯估計的唯一性證明，指出最大非高斯估計是獨立源提取的充分和必要條件。
  8. In this paper ， an optimal search strategy by dividing the whole surveillance area into regions is presented so that the optimal search can be adaptively implemented in phased array radar. firstly ， the inherent relationship among average discovering time ， radar resources consumption ， search frame period and target distribution density is studied. secondly ， parameters for the region search are optimized to achieve the optimal search performance inside regions. then ， the optimal search frame period for each region is derived to minimize the average discovering time of targets ， where the constraint of radar time resource and the importance of each region are taken into account. finally ， the adaptability of this search strategy is discussed. only if the optimal parameters for each region are utilized and the beams are scheduled according to the optimal frame period under the radar time constraint ， the optimal distribution and the optimal scanning sequence of beams can be implemented adaptively. thus ， optimal search is adaptively implemented in the whole surveillance area

    本文提出一種分區搜索演算法，實現了相控陣雷達的自適應最優搜索.首先，研究了各區域平均發現一個目標消耗的雷達資源和目標被發現的平均時間同搜索幀周期以及目標強度的關系；然後，研究了在各區域採用兩步搜索演算法的最優參數設計，實現了局部區域的最優搜索；其次，在雷達時間資源有限和區域重要性加權的約束條件下，導出了使目標被發現的平均時間最小的區域最優幀周期；最後，討論了分區搜索演算法的自適應性.只要採用各區域的最優參數，按最優幀周期調度雷達波束，就可以自適應地實現使目標被發現的平均時間最短的波束的最優分佈和掃描順序，即自適應最優搜索
  9. Then, under the condition of satisfied the output volume request, a designing method of parametrically designing hydraulic motor with multi cylindrical gear is proposed aiming at minimal cubage with by means of visual c + + 6. 0 software, a calculating method of parametrically designing hydraulic motor with non - circular planetary gear is proposed aiming at maximal unit displacement and the minimal pulsation ratio by means of visual c + + 6. 0 software, and some designing method examples are provided for verifying the accuracy and possibility of those design methods

    再次，在滿足排量要求條件下，以體積小為設計目標，利用visualc + + 6 . 0軟體對圓柱多齒輪式液壓馬達進行了參數化設計軟體的開發;另外，以單位體積排量最大為設計目標，以流量脈動率最小為約束條件，利用visualc + + 6 . 0軟體對具有圓柱行星齒輪的非圓行星齒輪液壓馬達的參數化設計軟體進行了開發。
  10. Distilling effective data from dbselect database and building data mining database ; according to the idea of prognostication, computing data in order to satisfy the need of prognostication and using minconf to judge, finally getting the result. because of the objective factor, the result must be adjust by adjustment matrix

    根據建立預測模型的基本思路，從數據庫中依次求出預測需要的各類數據，並以最小置信度作為約束條件對數據進行精簡，最終得到轉移概率矩陣。
  11. ( 4 ) the difference of the constraint conditions makes the second moment in prestressed frames less than that in the prestressed beams

    （ 4 ）約束條件的不同使單層兩跨預應力混凝土框架梁中的次彎矩要遠小於兩跨的預應力連續梁。
  12. Mixed operation in china at present are restricted by many factors, including the level of economic development, the degree of financial marketlization, risk awareness of the fin ancial institutions, the level of risk management, regulation of the security market, the environment of law enforcement, it development and talents reserve, etc. chapter ii : as a matter of fact, the major countries have all experienced a financial reform once or several times in choosing separated operation or mixed operation

    我國要採取混業經營目前還受到諸多條件的約束，這些約束條件包括我國的經濟發展水平、金融市場化程度、金融機構的風險意識和風險管理水平、股市監管水平、法治環境、信息技術的發達程度以及人才的儲備等因素。第二章重點考察了世界主要國家的金融體制變革路徑。事實上世界主要國家在金融分業、混業的選擇上都經歷了一次或多次的變革。
  13. This thesis discusses the definition and implementation methods of hierarchical federations, and brings forward the technique of automatically constructing the hierarchical federations architecture ( hfa ). based on the study of time management and data distributed management in hierarchical federations, we give the constraint conditions, which need to be met for achieving correct temporal delivery of time - stamped messages and causal ordering of those messages. we propose the process of time advancement in hierarchical federations, and present the hierarchical data filtering mechanism, which can effectively decreases the network traffic

    論文研究了層次聯邦的概念及其實現方法，提出了層次聯邦體系結構的自動生成技術；然後研究了層次聯邦中的時間管理和數據分發管理，提出了為保證消息傳遞的時間和因果順序的正確性需要滿足的約束條件，給出了層次聯邦的時間推進過程；提出了層次聯邦中能有效減少網路流量的數據分層過濾機制。
  14. With the first method, multi - degree reduction can be executed at one time and certain continuity conditions can be satisfied ; by relaxation of constrained conditions, great improvement on the lpm of literature [ 30 ] can be obtained when interval rational bezier curves are degenerated to interval bezier curves. explicit computation formulas are presented when only one or two degrees reductions are required in the second method, and upper bounds for their errors are estimated

    前者可一次性降多階，且能滿足一定的連續性要求，通過約束條件的放鬆，本文的演算法較文獻[ 30 ]的lpm法有更好的逼近；後者則給出了降一、二階時的顯式計算公式和誤差上界估計式，且逼近精度比前者更高。
  15. The change from debt to stock has an important effect on the interest coordination of state - owned enterprise, state - run banks and other agents. it is a contract choice that trade - off all kinds of distortion ( save transaction cost ) at present. it belongs to the welfare improvement in kaldor meaning ? nd can drive the reform process further

    債權股權互換對于目前我國處于改革攻堅階段的國有企業、國有銀行、及其他經濟主體之間的利益協調有重要作用，是在各種約束條件下折衷各種扭曲后的交易費用較低的一種各方合約選擇，屬于帕累托次優或者退一步說是卡爾多意義上的社會福利提高，可以進一步推動改革進程。
  16. In this approach, design tasks are decomposed into a system - level optimization and subsystem - level optimizations. the task of each subsystem optimization is to find the local variables to minimize or maximize objectives, subject to its local design constraints. the task of the system - level optimization is to find global ( or shared ) and auxiliary variables to optimize the system performances, and satisfy the consistency constraints

    這種方法將優化流程分為系統級優化和單學科優化兩個層次:系統級優化的任務是通過調整共享設計變量和輔助設計變量，在滿足一致性約束條件下，使系統目標最優;子系統的任務是調整局部設計變量，在滿足本學科的設計要求條件下，使子系統的目標最優。
  17. Secondly, the feasibility methods are compared both in technical and economy aspects

    本文確立了第一次比較時所要滿足的約束條件，以此選擇可行性方案。
  18. The recognition and measurement of social, economic, and environmental benefit are studied and concrete expressions of these three objects are given ; according to different features of water users and water sources, the concepts and calculation methods of water use fair coefficient of water users and water supply sequence coefficient of water sources are presented ; the concept and calculation method of accordant coefficient of water environment and economic system are also put forward and it is considered as a condition of constraint ; the method to calculate discharge amounts of key contaminants in a planning standard year is brought forward ; on the basis of analyzing characteristics of the model for optimal allocation of regional water quality and water quantity, the method based on matlab optimal toolbox to solve the model is discussed

    模型中考慮了社會目標、經濟目標、環境目標的識別和度量方法，給出了三類目標的具體函數表達式；根據用戶特性和水源特性的不同，引入了用戶用水公平系數、水源供給次序系數的概念和度量方法；由於區域水環境與經濟的協調發展是區域可持續發展的核心內容，因此本文提出了水環境經濟協調發展度的概念，並給出了相應的計算公式；對規劃水平年區域重要污染物排放量進行了計算，並以約束條件的形式予以考慮；分析了區域水質-水量聯合優化配置模型的大系統、多目標、非線性等特點，探討了基於matlab優化工具箱的模型求解技術和方法。
  19. Sencondly, an optimum model of mb is founded in order to make the parameters best. the principle of design is making the capacity of mb minimum in the condition of satisfying the maximum levitated force and temperature of coin below the permissible

    其次，為了得到最佳結構參數，對分子泵磁軸承結構參數進行了優化設計，建立了磁軸承結構設計優化模型，以磁軸承體積最小為優化目標，以線圈溫升小於允許溫升和承載力滿足載荷要求等為約束條件。
  20. Mathematical model of optimum design is given with minimal steel consumption of construction and constrains of the code. based on oop of ansys program, the number of times and the size etc. are given

    以結構在各種工況下滿足規范要求為約束條件建立數學模型，藉助ansys面向對象程序設計技術進行優化設計，得出了結構優化次數與結構用鋼量、截面尺寸的關系。
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