method-of-characteristics solution 中文意思是什麼

method-of-characteristics solution 解釋
特徵線法求解
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  • of : OF ＝Old French 古法語。
  • characteristics : 產品性能描述
  • solution : n. 1. 溶解；溶液，溶體，溶劑。2. （補輪胎用的）橡膠水；〈美國〉藥水。3. 解決，解答 （of; for; to）; 解釋；（數學等的）解法，解式。4. 免除，解除。5. 【醫學】消散，消退。
  1. After analysising the theory and characteristics of the corba and mobile agent technologies, the paper brings forward firstly a kind of mobile agent architecture - coma, and gives the solution to coma ' s asynchronous transfer, concurrent control, naming, location and intelligence mechanism in detail. furthermore, aiming at making up the flaws of the application servers based on corba in distributed group environment and solving the problem of object ' s remotion on the corba server, the paper proposes a kind of corba architecture based on mobile agent - maorb, discusses naming and transparent transfer of mobile agent in a maorb system in detail, and gives a reasonable improvement method

    本文在分析了corba和移動agent這兩種分散式技術的運行原理及其特點之後，首先提出一種應用於協同環境下的移動agent體系結構coma ，並詳細給出了coma的異步遷移、並發控制、命名和尋址，智能化機制這幾個關鍵技術的解決方法。進而，為了彌補單純的利用corba技術來構建分散式集群環境中應用服務器的不足，解決corba服務端對象的可移動性問題，本文又提出了一種基於coma的corba體系結構maorb ，詳細討論了maorb系統中移動agent的命名和透明遷移以及corba和coma的結合度問題，並給出了合理的解決方案。
  2. With the method of positive analysis and combining model analysis, the thesis profoundly explains the relation of particular characteristics of china ' s family business management and china ' s culture, and leads into the management crisis of china ' s family business, and finally raises a series of innovate and practical solution scheme

    文章運用規范分析和實證分析相結合的方法，深入闡析了中國家族企業管理特點與中國文化之間的關系，進而引出中國家族企業發展中暴露出的危機管理，並提出了一些具有創新性和可行性的解決對策。
  3. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論計算部分，本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型，然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散，接下來針對前面所設計的全方位推進器進行了數值預報。
  4. The design procedure and the application method of the gprs terminal were introduced in this paper in detail. this paper was divided into several main parts as follow : firstly, according to the dominant demands for the wireless channel, the method using the gprs network was selected as the solution for the design of the wireless data transmission terminal by comparing the characteristics of primary wireless data transmission methods

    本文詳細介紹了該gprs終端的設計過程及該終端在無線抄表系統設計方案中的應用，文章主要分為以下幾個部分：第一，針對目前對無線數據傳輸通道的需求，分析了目前主要的幾種無線數據傳輸通道設計方案的特點，論證了設計gprs無線數據傳輸終端的必要性。
  5. Taking the characteristics of road and bridge engineering into account, this paper makes systematic analysis and study on applications of static gps in data processing of surveying in road and bridge engineering : the feasibility of using single point positioning result as starting point is studied and the influence of it on baseline solution is discussed ; on account that the software provided along with instrument by vendors usually does not support coordinates in the independent engineering coordinates system from gps observations, a simple and effective method is represented for the gps data processing in the independent engineering coordinates system and is programmed. through real examples the method and programs are testified ; from gps surveying the wgs - 84 coordinates are acquired, while in reality coordinates in local coordinate system are needed, so conversion from wgs - 84 coordinates to local coordinates is necessary

    結合路橋工程的特點，對靜態gps在路橋工程式控制制測量中的數據處理作了系統的分析和研究： ?對單點定位結果作為起算點的可行性進行了研究，並探討其對基線解算的影響； ?鑒于商家提供的隨機軟體往往不支持利用gps觀測得到工程獨立坐標系中坐標，為工程獨立坐標系gps數據處理提供了一種簡便有效的方法，並編制了相關的處理程序，通過實例驗證，程序是正確的、方法是可行的； ? gps測量得到的是wgs - 84坐標，而實用上需要的是地方坐標系坐標，因而得把wgs - 84坐標轉換地方坐標系坐標。
  6. With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance

    在參閱了大量文獻的基礎上，分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦，經原子力顯微鏡測試，獲得的超細二硫化鉬的粒度平均在800nm以內，納米銅粒子平均粒度約為30nm ，表面修飾納米二氧化鈦平均粒度約為40nm ，在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性，結果表明：在合理的添加濃度范圍內，超細二硫化鉬在低載時具有優良的減摩抗磨性能，納米銅在高載時具有比較好的減摩抗磨性能，表面修飾二氧化鈦粒子因具有有機與無機復合物的特性，從低載到高載都保持穩定的減摩抗磨性能。
  7. The article, through analyzing the characteristics of exploitation of extending the deep in the yanzi mountain mineral zone, elaborates several coal zones, many levels expanding the basic method and the development direction that determined by the way of extending the deep in the exploitation of coal mine, putting forward some new ways of thinking at the same time, thus providing the scientific and reasonable solution for the extending a deep of similar mineral well

    摘要通過對燕子山礦石炭系延深開拓方式特點的討論分析，闡述了多組煤系、多水平開拓礦井開拓延深方式確定的基本方法及發展方向，同時提出一些新的思路，為類似礦井延深提供了一種科學合理的解決方法。
  8. In this paper, the characteristics of the electroless nickel plating, the composition and fuction of the plating solution were introduced. at this base the low emissivity material was successfully prepared by the electroless plating method. the sample detected by edxa, sem, aes, ifr

    本文在系統介紹了化學鍍鎳工藝的特點、溶液組成及各組份的作用的基礎上，採用化學鍍方法制備低發射率材料，成功地在羰基鐵粉體和陶瓷粉體上實施了化學鍍鎳。
  9. In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model

    本論文在評述三維粘性流動數學模型已有研究成果的基礎上，著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究，並首次提出了求解三維純對流方程的高精度的擬協調單元法，建立了三維低雷諾數re流動的數學模型，並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
  10. Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    文摘:探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  11. A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    探討了一種新的設計指標最優分配方法- -協同分配法，用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵，據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化，主優化對子系統設計指標進行最優分配，子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標，進行子系統最優設計，或對底層元件（如飛機翼梁、翼肋和翼盒等）進行設計指標最優分配，並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量，提高系統整體性能，並重新給出分配方案.主系統與子系統反復協調，直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性，三層可靠度指標分配算例證明了本文方法的有效性.最後，以重量指標分配為例，簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路
  12. Based on the researches done by others, this thesis starts form the basic characteristics of venture investment, analyzes each characteristic, particularly the quality of the entrepreneurs, the products and technology, the external environment and the management level of the potential company, and then apply them to the operational system of a venture investment to establish an assessment index model to make the assessment and decision - making as scientific and easy to operate as possible. the thesis quantifies the above qualitative indices and gives quantitative assessment and the weight of each factor and it also illustrates the impact of profits and risks and proposes a new decision - making solution for new venture investment, i. e. venture marginal reward ratio, which provides decision - makers a reliable and scientifically operable reference method for project assessment. later this thesis demonstrates the application of the assessment method with two case studies

    論文汲取前人研究的成果，從風險投資的特點出發，對這些因素進行了研究，著重研究了創業家的素質、項目的產品與技術、外部環境、企業能力因素，結合風險投資的運作機制，建立了風險投資項目評估指標模型，力求使評估和決策的科學化，便於操作，將定性指標量化，進行定量評估，給出了各因素的權重，綜合考慮了收益和風險的影響，並提出了新的風險投資決策方法? ?風險邊際回報率，為決策者作項目評價提供了較為可靠的、科學的和可操作的參照方法，通過兩個案例，介紹了該評估方法的運用。
  13. In the end, according to the characteristics of cement mixing piles composite foundation, a practical settlement concluding method for composite foundation is recommend based on the mindlin solution for the centralized force in a half elastic space

    最後，基於水泥土攪拌樁復合地基的特性，以作用在彈性半空間的集中力為前提的mindlin解應用於復合地基的變形計算中，提出一種較為實用的變形計算方法。
  14. Combining with the knowledge of chemical engineering, some evolutionary functors were improved, and a set of special encoding method and solution strategy was put forward according to the characteristics of the complex distillation system

    針對復雜精餾系統特點並結合化工領域知識，對遺傳運算元進行了改進，給出了一套獨特的編碼方法和求解策略。
  15. Based on the iterative methods and general analytical solution available for the problem of one - dimensional linear elastic consolidation of layered soils, a semi - analytical method is established herein for complex one - dimensional consolidation problems. by adopting linear rheological model of three units and non - linear rheological model of time lines, the semi - analytical method is respectively applied to solve the problem of one - dimensional consolidation of layered soft clayey soils with linear or non - linear rheological characteristics

    基於多層地基?維線彈性固結解析解和迭代法，建立了能求解復雜一維固結問題的半解析演算法，並將其分別應用於求解成層軟粘土線性流變一維固結問題（採用三元件線性流變模型）和成層軟粘土非線性流變一維固結問題（採用時間線非線性流變模型） 。
  16. To purse a high performance of an algorithm, we propose a new numerical scheme, called the characteristics - mixed finite element method, for approximating the solution to a convection - dominated diffusion equations of parabolic type

    為克服傳統格式的上述缺陷，我們提出了求解對流占優問題的一種新型數值方法-特徵混合有限元方法。
  17. Two network analysis and operation algorithms for balanced radial distribution systems, called forward - backward sweeping method of power flow solution and real - time control of capacitors installed on distribution systems, are presented in this thesis. distribution networks have characteristics such as mesh network on planning and radial networks on operation. the radial topology of distribution networks has been fully exploited such that a systematic branch and node numbering scheme is utilized to achieve storage and computational economy

    本文對配電網路中電壓的調整，就電容器投切控制問題進行了深入的研究，在前人研究成果的基礎上，針對配電網路結構特點，提出了採用前推回推法計算配電網路潮流，對配電網路就地補償電容器的控制採用模糊控制技術，對全局優化控制採用逐次線性規劃演算法。
  18. Through reference the modern manpower resource management theoretical manpower resource program for a company is recruited, trained, effect check and salary reward the analysis of system, the profession characteristics that combine a company ' s again, have made the specific solution according to above problem final method, : perfect and recruit system, set up the a company ' s image of " fine employer " ; establish a company ' s training system, lead into manpower resource development function ; rebuild a company effect examination comment system ; so as self support type salary reward system to reward system for a company ' s salary

    通過借鑒現代人力資源管理理論對a公司的人力資源規劃、招聘、培訓、績效考核及薪酬體系的分析，再結合a公司本身的行業特點，最後提出了針對以上問題的具體解決辦法，即：完善招聘制度，樹立a公司「優良僱主」形象；建立a公司培訓體系，引入人力資源開發功能；重建a公司的績效考評體系；以自助式薪酬體系為a公司薪酬體系。
  19. Two - grid method for characteristics finite - element solution of 2d nonlinear convection - dominated diffusion problem

    二維非線性對流擴散方程特徵有限元的兩重網路演算法
  20. Therefore, the original optimization model is transformed into the problem of cross sectional area optimization. this paper had great research on the development of optimization algorithm by analyzing typical optimal search method, such as greedy algorithm, simulated annealing algorithm, neural network and genetic algorithm ( ga ). according to the characteristics of truss structure, we choose genetic algorithm as the solution way

    本文在研究優化演算法發展過程的基礎上，分析了典型的優化搜索方法：確定性演算法如貪婪演算法，隨機搜索演算法如模擬退火演算法，人工智慧演算法如神經網路及遺傳演算法，根據桁架結構優化的特點，最終選擇以遺傳演算法作為桁架結構優化設計的主要演算法。
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