mathematical construction 中文意思是什麼

mathematical construction 解釋
數學作圖
  • mathematical : adj 數學（上）的，數理的；嚴正的，精確的。 mathematical instruments 制圖儀器。 mathematical logic...
  • construction : n 1 建築，結構，構造，架設，鋪設；建設；設計；工程；建築法，構造法，建築物；【戲劇】搭置，布景，...
  1. This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation

    應用流體力學理論結合碼頭結構建設，分析了地下水排泄過程，藉助管道和碎塊石盲溝建立了港口碼頭快速排水與擋墻基床排水的方法；運用質量守恆定律和地下水滲流原理，建立了港口碼頭排水計算數學模型和排水過程計算公式，並用在了碼頭的穩定設計計算中。
  2. Several conceptions to the system construction of continuative education courses for mathematical teachers in middle school

    本科數學系列課程設置與課程內容研究
  3. The mathematical justification for this construction can be found in slotnick.

    斯洛特尼克提供了對這種圖解法的數學證明。
  4. On the base of knowledge on game theory, this paper established a mathematical model on players " unconstraint investment in public goods under the condition of complete information within enterprise. with this background, we analyzed the problem of the enterprise " culture construction

    本文以博弈論的理論為基礎，建立了在完全信息下企業內部公共物品的自願投資行為模型，並以此為背景分析了企業文化建設的問題。
  5. In order to obtain the solution for mapping nc code of a parallel machine tool from virtual axis space to real axis space without the construction of mathematical model, a method of using assembly constraint and dimension driven function of cad software was presented

    摘要為了有助於並聯機床數控系統和模擬系統的開發，克服建立數學模型實現機床數控代碼虛實映射計算的缺點，文章提出了綜合利用cad軟體的裝配約束和尺寸驅動功能來實現虛實映射的方法。
  6. Based on the treatment engineering of 26 kilometers lacustrine deposits soft soil foundation in han - sha sect of yi - huang freeway, the paper, through the means of centrifugal model test and field observation, establishes mathematical analysis model, completely and detailedly researches and analyses the stability of lacustrine deposits soft soil foundation and the rule of settlement, guides the large - scale construction of yi - huang freeway 26 kilometers soft foundation treatment, educes the settlement characteristic and the rule of lacustrine deposits soft soil subgrade, summarizes the scientific measure of effectively controlling the stability and settlement of such kind of foundation

    本文以宜黃高速公路漢沙段中的26公里湖相沉積軟土地基的處理工程為依託，通過採用離心模型試驗與現場原位監測相結合的手段，建立數學分析模型，對湖相沉積軟土地基的穩定性及沉降規律進行了全面、細致的研究與分析，指導了宜黃高速公路26公里軟基處理的大規模施工，得出了湖相沉積軟土地基路堤沉降特性及規律，提出了有效控制此類地基穩定性及沉降的科學措施。
  7. The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid

    通過對排種輪的充種極限速度、清種始角、護種始角、排種器的投種口尺寸、型孔的尺寸等運動參數和結構參數進行分析，總體了解排種器結構參數和運動參數對其工作性能的影響，建立種子的運動方程，進而建立各主要參數（充種速度、清種角、護種角等）的數學模型，運用計算機輔助分析（ caa ）方法，通過visualbasic編製程序，對排種器工作過程中種子的運動進行動態模擬，找出影響排種器工作性能的主要因素，並對其參數進行優化，為合理地優化設計奠定了基礎。
  8. Abstract : based on the advisable mathematical model for wanjiazai diversion project, the paper disscuses the computer simulation technology for predicting new problems that may arise in project design, construction and operation

    文摘:在建立合理數學模型的基礎上，如何利用計算機模擬技術，預測工程設計、施工和運行帶來的新問題，探索解決這些問題的方法及預演現有設計或方案的可行性，對業主來說非常重要
  9. Under the uncertain conditions, the purpose of setting up nonlinear mathematical model of the threshing performance with its influencing factors is to optimize all parameters of construction and motion so that we can get the optimum threshing performances

    建立脫粒裝置性能與其影響因素之間非線性模型的目的就是在不確定環境下，對影響脫粒性能的各因素進行優化使脫粒裝置的各個性能指標達到最佳要求。
  10. Application of construction method in mathematical competitions

    構造法在解數學競賽題中的運用二
  11. Based on the loss rate of historic projects or the indemnity rate of engineering insurance, the engineering insurance rate can be calculated ; with taking into account the instability coefficient in mathematical statistics of relevant data, the fundamental rate will be figured out according to where the projects locates and the vulnerability of the construction structure

    對于工程保險費率的確定，採用了以歷史工程損失率或工程保險賠付率為基礎，並考慮其歷史數據的數理統計不穩定系數，按項目所在區域及建築結構物的易損性作為基本費率，結合具體工程風險大小來調整基本費率。
  12. Optimization design is an uptodate measure to seek the most perfect and optimum design proposal, and the mathematical principle of optimization had application in engineering design. it incorporate the speciality design theory, the optimization methods of mathematics and the computer art, accommodate a scientific design approach and a significant layout strategy for design engineering, and it can heihten design efficiency and advance designing quality. enginneering science must envisage economic construction, so it is beyond all doubt that the optimization design as the final approach of engineering development

    優化設計是把最優化數學原理應用於工程設計問題，在多個設計方案中尋找到盡可完善的或最適宜的設計方案的一種現代設計方法。優化設計集專業設計理論、數學最優方法和計算機技術於一體，為工程設計提供了一種重要的科學設計方法，能夠大大提高設計效率和設計質量。工程學科必須面向經濟建設，優化設計作為工程設計的最終目標是毫無疑義的。
  13. And secondly target and methods about quality control to construction project, have the affect factor " 4m1e " to quality variation under analysis and control, that quality to be influenced, seven kinds of means and tools of mathematical statistics to control quality and basic work need to do

    接著對施工項目質量控制的依據、目標和方法，影響質量變異的「 4m1e 」因素的分析和控制、數理統計控制質量的七種工具和方法、需做的質量基礎工作等作了全面的論述。
  14. In order to link the method of mathematics with the knowledge of concrete science, we have investigated many professionals all - over the nation who are major in concrete research in the field of construction, water conservancy and railway engineering by enquiring papers. on the basis of this investigation, we have obtained the cluster index set of mathematical models by delphi which is a famous mathematical method of statistics

    為了使數學方法和專業知識能夠有機結合，在課題研究中首次進行了全國性的問卷調查，向建築、水利、鐵道等若干部門發出問卷90份，在此基礎上建立了數學模型中的聚類指標權重集，並採用德爾斐（ delphi ）法對收集到的數據進行了科學、客觀地處理。
  15. Abstract : this paper introduces the mathematical model of deep foundation pit supporting, finally, a case example is given to illustrate the procedure computation ， supportion structure and construction method

    文摘:詳細介紹了某廣播電視大廈深基礎支護的數學模型，通過實例說明計算過程、圍護結構和施工方法。
  16. Based on the system engineering theory, and through detailed analysis of economic techniques of the engineering work plan examples of the common used long span steel truss structures, utilizing the sequenced layer analysis, the current paper will establish the long span engineering work plan index system. also by the fuzzy mathematical principles, it builds multi - layer fuzzy complex mathematics judgment and calculate the weight coefficient of each index by application of fuzzy power duality method ; and based upon the experts investigation method builds each index judgment matrix. finally applying the current popular update system tool - power builder 8. 0 developed the " optimization system of ( construction ) fuzzy work plan " to solve and carry out the multi - layered fuzzy combination judgment ; then step on the analysis and research on the reliability of the optimal solution for further achievement of the final objective of the fuzzy optimization in selecting the construction work plan of long - span steel truss realization

    本文以系統工程學的理論為基礎，通過工程實例對常用大跨度鋼桁架結構施工方案進行詳細的技術經濟分析，運用層次分析法建立起大跨度鋼桁架結構施工方案的指標體系，利用模糊數學原理建立了多層次模糊綜合評判數學模型，採用模糊權重二元對比法計算出各指標的權重系數，並採用專家調查法建立各指標的評判矩陣，利用目前最流行的工具系統- powerbuilder8 . 0編制了《建築施工方案模糊優選系統》求解計算，進行多層次模糊綜合評判；調整權重和隸屬度，對數學模型最優解的可靠性作了進一步的分析和研究，從而達到模糊優化選擇大跨度鋼桁架結構施工方案的最終目的。
  17. Research on the mathematical model of the class evaluation of construction quality

    工程施工質量等級評定數學模型研究
  18. Some problems in three aspects is firstly discussed in this article : ( 1 ) establish h & n economic system, put forward a strategic target " make a transition from the construction of h & n engineering to the efficient management of h & n resources, keep the h & n economic system a sustainable development ". ( 2 ) systematically advance and prove three theory hypothesis including h & n economic system sustainable development, comparative advantage and efficient competition, so the macro, mid, and micro theory frame on h & n economic system are composed of all of these mentioned above. ( 3research on the macro, mid, and micro mathematical model of h & n economic system

    Bs本文在以下三個方面進行了開拓性探討：建立港航經濟系統，提出「由港航工程建設向港航資源經濟管理轉化，實現中國港航經濟系統的可持續發展」的戰略目標；系統地提出並論證了港航經濟系統的可持續發展、比較優勢和有效競爭三大理論假說，構成了港航經濟系統的宏觀、中觀、微觀理論體系：研究了港航經濟系統的微觀、中觀和宏觀數理模型。
  19. In this article, the author researches on systematic theory and mathematical model of harbor & navigation ( h & n ) economic, tries to find a new method of thinking for the construction of h & n engineering and the development of water transportation. on the basis of analyzing the difficult position in the construction of h & n engineering and the development of water transportation, the author sets a scientific and reasonable relationship among the h & n engineering ^ water transportation and engineering economic by the theories of economics and the way of systematic science, and makes a h & n economy system composed of h & n engineering and soft science

    在分析我國港航工程建設及水路運輸發展面臨困境的基礎上，將港航工程、水路運輸、工程經濟用經濟學的思想和系統科學的方法有機地聯系在一起，構造港航工程與軟科學組合的港航經濟系統，提出「由港航工程建設向港航資源經濟管理轉化，實現中國港航經濟系統的可持續發展」的戰略目標。
  20. At the same tune, the paper analyses and discusses the control projects of the above parts. as for the hardware of the control system, on principle of reliability and considering the badly working condition of the vibratory roller, the paper chooses the special controller sp ecializing in the realm of construction machinery ' s control system in order to insure the reliability of the control system and simplify it. about the control quality of the system, the paper establishes the mathematical modes of the frequency modulation system and the amplitude modulation system, analyses the irrationality of the amplitude modulation project, puts forward to apply proportional - integral - differential controller ( pid controller ) to the traveling system and frequency modulation system

    作為控制系統的方案設計的基礎，本文首先對影響壓實效果的振動參數進行了分析；然後針對智能振動壓路機的功能要求，將控制系統分為壓實參數的自動和手動控制、行走控制、轉向和蟹行控制以及智能灑水控制等幾個部分，對各部分的控制方案進行了分析對比和論證；在控制系統硬體設計方面，以可靠性為原則，考慮到振動壓路機的惡劣工況，選擇了專用於工程機械控制領域的專用控制器，使系統的硬體設計得以可靠性保障和簡化；針對控制系統控製品質問題，建立了調頻和調幅系統的控制模型，對調幅系統的控制不合理性進行了分析，提出採用pid控制器對行走和調頻系統進行校正；在軟體設計方面，對各個控制部分進行了軟體編程流程圖設計。
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