重力模型法 的英文怎麼說

中文拼音 [zhòngxíng]
重力模型法 英文
gravity model method
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能提供有的數據支持;同時,還提出了觀測超車率的實驗方以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查擬程序中參數標定和驗證的數據採集方
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有工具;建立了荒漠化監測主要評價因子的定量反演,並分析了的適用性。
  3. To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered

    摘要為研究不同施工方下預應混凝土連續梁的彎曲性能、極限受狀態及內分佈規律,進行了3根連續梁試驗,分別考慮一次落架、簡支變連續和懸臂施工3種施工方
  4. While the quality of ct images is too poor to reconstruct the geometry model of muscle, this paper presents a novel muscle model, both the biomechanical chrematistics of tendon and micro structure of muscle fibers are considered

    針對ct圖像無精確建肌肉的幾何的問題,在充分考慮肌腱的生物學特性,又體現肌纖維的微觀解剖結構的基礎上,提出一種新的肌肉建
  5. The paper aimed at researching the index systems, methodology, and modes of sustainable road transport development evaluation, and established the mathematic modes with several practical indexes such as transport concinnity, road transport resource saving, road environmental and bionomical protection indexes, with which the sustainable development statuses of road development in china are able to individually or comprehensively evaluated

    本文點研究提出了定量評價公路交通可持續發展能的指標體系、理論方和具體,提出了實用的交通適應能分指數、公路交通資源節約能分指數、公路交通環境生態保護能分指數、公路交通經濟財務發展能分指數、公路交通安全控制能分指數等指標計算,從這幾個角度能夠逐項和綜合評價我國交通可持續發展狀況。
  6. The findings of this thesis reflect that the object - oriented method is an effective means used in developing finite element analysis software, compared with traditional method it possesses the advantages of being more structured, easy to be compiled, maintained and extended and the program code can be much more reused. the oop method not only improve the functions of finite element software but also realize the congruity between the computing model and physical model in the real world, and promote the integrity technique of cad / cae

    本文結果表明,面向對象方是一種強有的工具,採用面向對象方開發大有限元分析軟體是一種非常有效的方,與傳統的有限元程序相比,面向對象有限元程序更加結構化、更易於編寫、更易於維護和擴充,程序代碼的可用成分更大,它不僅能提高有限元軟體的功能,而且能實現數據與計算機以及現實世界物理之間的一致性,方便太原理工大學碩士學位論文cad / cae系統的集成。
  7. It provides strong basement for the research of design. the method of structure analysis commended by this paper is based on nonlinear finite - element, diathermanous and elasticity mechanics. it found the model of a steel beam pressed by gravity and temperature in the condition of indoor fire

    本文提出的結構分析是在大量參數分析的基礎上,以非線性有限元、傳熱學及彈性學為基礎,利用ansys軟體,建立一個鋼框架梁在室內局部火災條件下的傳熱與在荷載及溫度荷載共同作用下的受
  8. Establishing an human spine dynamic model is an significan event to study spine injured biomechanics of pilot " s ejective injury, parachute opening, landing and study the endurance to impact loading on human spine. in this paper, the huston " s method of kane " s equations is developed so that it can be applied to the multibodysystem including translation between the bodyies. the dynamic model of human spine is provided basing on these theories, while the big movement of spine is considered. the deformation of vetebra is far smaller comparing with the intervetebra disc, so the spine is considered into multibodysystem including rigid bodies ( vetebra ) and the flexible bodies ( intervetebra disc ). the computer solution correspond with the results of the large scale human impact test. the rigid coefficient factors and the damping factor of intervetebra joints are obtained

    人體脊柱動的建立對研究飛行員彈射救生、傘兵跳傘開傘、著陸等脊柱損傷的生物學以及研究人體脊柱耐受沖擊載荷的極限問題都具有要意義.首先發展了凱恩方程的休斯頓方,使其可應用於變形體連接的多體系統,並以此理論為依據建立人體整椎脊柱沖擊動,此時考慮脊柱的大位移運動,每個椎骨的變形相對椎間盤的變形小得多,把脊柱看成由剛體(椎骨)和變形體(椎間盤)組成的多體系統.並以大真人坐姿沖擊實驗結果進行了擬合,最後得到腰椎間關節剛度系數因子和阻尼系數因子
  9. On the running theory of electrical power ergograph and the basic control theory basis, this paper expatiate on the mathematic model and modulating speed of ergograph, and expounds the principle and ways of design of hardware and software for measure and control system, and describes the hardware and software with some frames and interfaces, and importantly recommends the way of designing software

    本文根據電測功機的工作原理和控制理論基礎,主要闡述了測功機的數學和調速原理以及整個測控系統的硬體和軟體設計的原理和方,並輔助框圖和界面對軟硬體進行了詳細描述,點介紹了系統軟體的設計。
  10. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜及動分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為等效多質點本文著探討這種簡化的建立方,推導等效方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  11. A regularization algorithm of the integral equation for an gravity anomaly inverse problem of faultage effect

    斷層異常反演的正則化演算
  12. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方在理論和應用方面的新成果,探索在水計算方面的新途徑以促進lb方實用化的發展,本文進行了下列研究工作:綜述了lb方在理論研究和實際應用方面的新進展,以及d2q9的推導過程和其他一些常用的;在水動邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方計算效率較低的不足,提出了雙網格的latticeboltzmann方,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的擬,證明這種方能夠明顯地提高流場擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方的分塊-耦合演算,利用lb方的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」、 「十」和「 x 」分岔管道流場的擬,展示了這種演算的特徵和優點,以及它所具有的應用前景。
  13. Besides, the math - ematical, particularly, the dynamical methodology in the developments of biolog - ical neurology is discussed, and several mathematical biology models are intro - duced

    同時,我們對生物神經學中數學建的發展作了介紹,闡述了用動學的方研究其中數學要性
  14. 6. the sectional cross - sectional discrete yield - sruface model is used to spandrel deep beams, the effect of the shear deformation to shear force on ( he m ~ terial nonlinearity is considered, ( he bond slip in anchorage zones is regarded as the houndaty nonlinearity of a member. except the geometric nonhineaicty. consideration of double nonlinearities about materials an

    6 、將分段截面離散的屈服面應用於裙梁,考慮剪剪切變形對材料非線性的影響,將錨固區鋼筋的粘結滑移看成構件的邊界非線性,不考慮幾何非線件,建立了裙梁考慮村料、邊界雙非線性的空間滯回曲線分析
  15. A model of manufacturing cell reconstructing is discussed, and an improved negotiating algorithm is presented which considers both capability and cooperative history when selecting the partners of the vw alliance

    討論了製造單元,設計了一種改進的單元協商演算,使得盟主車間在選擇盟員時不僅考慮其能,還要考慮其合作歷史。
  16. Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived

    該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和頻特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方解決了某電站鍋爐給水泵轉子的參數識別及動修改的問題,並給出了該種號的給水泵轉子的更準確的,為進一步的轉子動學分析與設計奠定了可靠基礎; 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。
  17. Through the systematical analyses measure, which combine classical model of project management and latest modern theory, the thesis integrative analyses the every factor which belong to scope management s time management 、 cost management 、 quality management 、 risk management 、 human resource management 、 procurement managements communication management and integration management of hunan international convention and exhibition center. especially research the effective and practical measure, which include time management of wbs s systematic model measure of risk management s earned value of investment control etc. it has continuous improved and developed the practice of project management, has realized the transform procedure from theory study to practical application. at the same time, the thesis discuss the development thinking of convention and exhibition economy, discuss the future study direction of project management science in our country, summarizes and evaluates the achievement which result from exce llent project management

    論文採用項目管理經典式與最新前沿理論相結合的系統分析方,對湖南國際會展中心項目的范圍管理、時間管理、成本管理、質量管理、風險管理、采購管理、人資源管理、溝通管理和集成管理中諸要素進行了優化分析,點研究了基於wbs進度管理、系統風險管理、掙值投資控制等行之有效的、符合項目實際的項目管理技術方,並在項目管理實踐中不斷完善和發展,實現了從理論研究到實踐應用的轉化過程。
  18. Among them distributing with the traffic of average rate of increase law calculation flow of passengers capacity ; the flow of passengers is brought out in model law calculation with gravity ; constructing the rate sharing responsibility for building model calculation according to transportation resistance shifts the flow of passengers ; think over time value when the flow of passengers is brought out in the calculation

    以膠濟鐵路提速改造為例,就構造的客運量預測作了應用研究。其中以平均增長率計算客流量的交通分佈;以重力模型法計算誘發客流;依據運輸阻構建的分擔率計算轉移客流;在計算誘發客流時考慮了時間價值。
  19. The second part is the theory survey of this thesis, including enterprise ' s competition theory and development, consumer behaviour theory and development and etc. the third part recommends main enterprise competitiveness appraise models and appraise methods both at home and abroad. the fourth part analyses the competition state in readymade oil enterprise and customer ' s demand, and sets up a customer demand model in the readymade oil market. the fifth part studies the key elements of competitiveness in readymade oil sell enterprises, determines the weight of every relevant factor, and finally set up the competitiveness made in readymade oil sell enterprise

    本文的具體內容包括五部分:第一部分為緒論,介紹了本文的研究背景、研究意義以及研究方與內容;第二部分為本論文的理論綜述,包括企業競爭理論及發展、企業競爭理論及發展、消費者行為理論及發展等;第三部分介紹了國內外主要的企業競爭評價及評價方;第四部分對成品油銷售企業競爭狀況以及顧客需求進行了詳盡的分析,並構建出成品油終端市場顧客需求;第五部分研究了成品油銷售企業競爭構成要素,並確定出各相關因素的權,最後構建出成品油銷售企業競爭;第六部分應用顧客需求和成品油銷售企業競爭對成品油零售公司進行了詳盡的評價,並提出了該公司競爭提升的四大戰略;第七部分作為本文的結束語,對論文所作的工作及研究得出的結論進行了總結。
  20. In the third chapter, in view of the fuzziness characteristic in selecting the software project team members and the characteristic of the project team members ’ ability components, we established a model of how to select the team members through the fuzzy analytic hierarchy process ; in the fourth chapter, we analyzed how to choose the most important role ( software project manager ) in the software project team, by the present commonly used model which the competency model, and analyzed the competent the strength of the software project managers in beijing area by a case study

    在第三章中,我們針對軟體項目團隊成員選聘的糊性的特點,在對軟體項目團隊成員的能構成要素分析的基礎上,通過糊層次分析建立了如何選聘軟體項目團隊成員的一般;在第四章中,我們又對如何選聘軟體項目團隊中最要的角色? ?軟體項目經理進行了分析,採用了現階段對管理人員選聘的常用理論? ?勝任,對北京地區部分軟體企業的軟體項目經理的勝任進行了實證分析。
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