forward dynamic programming 中文意思是什麼

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。

Up to now, there has been ten years for the research of dynamic fuzzy logic ( dfl ) and a series of achievements have been made. in order to further expand the applications of dfl, this thesis followed dijkstra ’ s guarded commands and put forward an operational semantics model of dfl programming language which can solve dynamic fuzzy problems

動態模糊邏輯（ dfl ）的研究已有十年的時間了，目前已取得了一系列研究成果，為了進一步拓展這些研究成果的應用，本文借鑒dijkstra的監督命令程序結構，通過結構化操作語義描述方法從軟體理論方面進行研究，提出了動態模糊邏輯程序設計語言（ dflprogramminglanguage ）的操作語義模型，以期形成解決動態模糊性問題的程序設計方法。

However, the technology of manufacture about helical rotor is always the key problem, which blocks its development off since 1994, the cnc research center in shenyang university of technology has pursued research on complex special helical pole. it firstly put forward the non - instantaneous pole envelope method in china, and pursued systemic research on the theory of envelope method and nc programming method, then acquired a lot of achievements. therefore in this thesis the main job is the simulation model built on basis of non - instantaneous pole envelope method and the three - dimension graphic dynamic simulation system

從1994年起，沈陽工業大學數控研究中心即對復雜異形螺旋面加工進行攻關研究，在國內首先提出了無瞬心包絡加工方法，並對其包絡加工原理、數控編程方法等多方面進行了系統的研究並取得了一定成果，本文的主要工作即是以無瞬心包絡法加工過程為基礎建立的模擬加工模型和三維圖形動態模擬系統。

Whereafter, based on the analysis on the flood influence for traffic lines, the research is centered on the following parts : firstly, the destroying modes, reasons and mechanism of flooded lines are discussed, and the frameworks and countermeasures of preventing and controlling hazards system are put forward ; secondly, the ways of region forecasting for the landslide are analyzed and the automation of landslide forecast for certain site through visual programming is realized. furthermore, the function of dynamic segmentation in arc view is made use of to realize the forecast result ' s visualization ; thirdly, the reasons and patterns of roadbed subsidence are discussed and the methods of forecasting subsidence based on the gm ( 1, 1 ) model are put forward. then the applications of the arcview software and its extended module on the study of roadbed subsidence are debates upon ; fourthly, an analysis on the sources of flood for traffic lines, which situate in the reservoir coverage area, is given

接著，論文探討了山區交通線路災害的特點、分類、時間和空間分佈規律以及災害的防治原則和對策等；然後，以洪水災害對交通線路的毀壞為主線，重點研究和分析了以下幾個問題：第一，探討了洪水對交通線路的破壞方式，水毀原因以及水毀機理，並提出了交通線路水毀防禦系統框架和對策；第二，分析了雨季邊坡塌方災害的區段預測方法；通過可視化編程，編制了雨季邊坡塌方災害的工點預報程序，並結合arcview實現了預測結果的可視化；第三，對路基沉陷原因和模式進行了分析，並提出利用gm （ 1 ， 1 ）模型對路基沉陷區進行分析和預測，最後論述了arcview軟體及其擴展模塊在沉陷區研究分析中的應用；第四，對汛期庫區線路災害的原因進行了分析，並探討了利用數量化理論對路基防護工程抗洪能力進行預測的意義；第五，提出從風險的角度對交通線路的防災減災進行管理，對風險估計的相關問題進行了論述，並探討了交通線路水害危險區段的劃分問題。

So a lot of researchers have attached importance to optimization computing, and put forward all kinds of algotithms for optimization problems, for instance : simplex algorithm, dynamic programming algorithm, branch - bound algorithm, etc. but these algorithms are all disadvantage and can not be applied to complex nonlinear optimization problems

為了解決各種優化計算問題，人們提出了各種各樣的優化計算方法，如單純形法、梯度法、動態規劃法、分枝剪界法。這些優化演算法各有各的長處，各有各的適用范圍，也有各自的限制。

Firstly, in this thesis the dynamic model of the low - speed maglev train is analyzed. on the analysis of the principle of electric brake and mechanical brake the structure of electric - mechanical brake control system is set up. the concept of brake task programming and electric - mechanical brake controller is put forward

首先，本文通過分析低速磁浮列車的動力學模型，研究了低速磁浮列車電制動和機械制動的原理，分析和構建了電-機械聯合制動控制系統的結構，提出了制動任務規劃器和電-機械聯合制動控制器的概念。

And they are easy to fall into crisis of “ city decays as coal resource drains ”. therefore this paper has done the research on the industry structure adjusting in the transformation from the resource - based cities to eco - cities by multi - disciplinary theories and research methodologies such as comparison qualitative and quantitative analyses. this paper reviews and summarizes the theories of resource - based cities ’ transformation, eco - cities and industry structure adjusting, defines the concept of resource - based cities ; selects 23 prefecture - level cities as research objects and analyses their industry structure condition from the gdp structure and employment structure ; puts forward that transform to the eco - cities is the only way now ; analyses reasons which influence the industry structure adjusting, and builds the grey dynamic linear programming model ; does the programming for maanshan ’ s coming 5 years target of industry structure, and puts forward some suggestions from angles of theory and practice

在對資源型城市轉型、生態城市和產業結構調整的國內外研究現狀進行綜述的基礎上界定本文的研究對象並介紹生態城市和產業結構調整的相關理論;選取23個地級以上中等資源型城市作為研究對象，從國內生產總值結構和就業結構兩個角度對資源型城市的產業結構現狀進行深入的剖析，並提出向生態城市轉型是資源型城市發展的必由之路;分析影響產業結構調整的各種動因，指出資源型城市向生態城市轉型中產業結構調整需遵循的原則並構建用於資源型城市產業結構調整的灰色動態線性規劃模型;以馬鞍山市為例，對其產業結構調整做出實證研究，分析其產業結構現狀並對其產業結構調整目標進行規劃，從思維、理論和實踐三個角度對其向生態城市轉型期間的產業結構調整給出相應的建議和對策。

This paper studies the ways to comfotmate the models of portfolio investment combi - nation, and demonstration analysis, divided into three parts. the first part : exordium. mainly introduces the risk of portfolio investment. the second part : brings forward several kinds of investment combination model, including the traditional markowitz model, multiobjective programming and fuzzy programming. the third part : goes along with the demonstration analysis of each kind of model basted on the shanghai stock market, at the same time, appraises the superiority and inferiority with the single - parameter measurement of tangible achievement. before then, most papers discussed the static models, this paper extends the static models to the dynamic models by the means of weighted moving average and bayes estimation

本文研究了證券投資組合模型的構造方法及其實證分析，分三部分進行：第一部分，緒論，主要介紹證券投資的風險；第二部分，提出幾種投資組合模型，在傳統的馬柯維茨模型及線性規劃的基礎上，本文另外提出多目標規劃的其它解法，並把前人模糊規劃的理論應用到具體的建模中；第三部分，根據我國的滬市行情，對各種模型進行實證分析，並利用實績的單參數度量對各種模型的優劣性進行評價。

The paper explores the ai theories of developing the capp expert system, and fixes on the knowledge representation method of production rules, and the new thought of developing the knowledge base and the inference engine in the es tool clips, and introduces the theoretical knowledge of clips. the pape builds up the knowledge base about the process knowledge, invents the inference engine by the theories of control strategy of forward reasoning and rete pattern matching algorithm, with the result of improving the reliability of knowledge, the quality of inference and the efficiency of the searching. using the dynamic interface mechanism and the compiled dll, the paper embeds the clips program into the vc + + environment and carries out the mixed programming so as to achieve the data communication between the vc + + and clips

論文對開發capp專家系統的人工智慧理論作了比較深入的探討，確定了產生式規則的知識表示方法和用專家系統開發工具clips來開發系統的知識庫和推理機的新思路。在闡述了clips理論知識的基礎上，確定了以產生式規則構建工藝知識庫，以正向推理的控制策略和里德演算法的匹配模式建立推理機，從而提高了知識的可靠性、推理質量與搜索的效率。論文利用windows環境下的動態介面機制，調用已編譯好的動態鏈接庫clips . dll ，把所開發的clips程序嵌入到vc + +中再進行混合編程，實現了vc + +與clips程序的數據通信，成功地構建了capp專家系統。

This thesis aims to mainly study the service - object - oriented programming ( oop ) software development technology, the modeling of the functions of platform services, the print and interface of the web report forms, dynamic tables, user safe strategies of multi - level management models, etc. in the realization part of ispssrm, the resolving schema of ispssrm is put forward from the perspective of service functions

本文著重對面向「業務」對象、業務功能的模版化、 web報表的列印及其外部介面、動態表格以及多層次用戶管理模式的安全策略做了研究。在ispssrm的實現部分，從業務功能的角度提出了ispssrm的解決方案。採用