長徑規 的英文怎麼說
中文拼音 [zhǎngjìngguī]
長徑規
英文
trammel-
The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm
以胸高斷面積代替種群生物量，分別採用logistic常規模型及劉金福提出的logistic改進模型對南方紅豆杉種群的增長動態進行研究，運用改進單純形法對模型進行優化，擬合結果表明改進模型比logistic常規模型更符合南方紅豆杉種群的增長趨勢，南方紅豆杉種群的最大增長速度出現在第10齡級，即胸徑為68 76cm時期。Based on the study of sediment transport under the actions of tidal currents and wind waves, a mathematical model of suspended load and bed load for yangtze estuary is developed
摘要通過對長江口徑流、潮流和波浪共同作用下的泥沙運動規律的研究，開發並建立了長江口全沙（懸沙和底沙）數學模型。Since the discovery of cnt ’ s and find that cnts have small diameter and high length diameter ratio and can be look as one - demission material, it can be used as emission emitter of fed. especially, the aligned cnts array can be seen innumerable single cathodes which are lined regularly and form array. so growing aligned cnts array in selective area is the key technology to product cnts fed, which is also the necessary condition of cnts micro - electronics device
自碳納米管發現以來，由於碳納米管的直徑很小、長徑比大，故可視為準一維納米材料，可作為場發射平板顯示的尖端發射體，特別是定向碳納米管陣列可看成是無數根單尖陰極規則的排列起來形成陣列式，是理想的場發射平板顯示器的尖端發射體。Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied
在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理，從影響旋噴樁復合地基豎向承載力的因素入手，基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究，提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析，深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定，並提出相應的設計方法和修正參數;此外，結合工程應用，對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。The regularities of pile - top reaction distribution, the carrying load ratio between pile and raft, the settlement and the imparity settlement of foundation in the frame - tube structure and the single wall are influenced by some factors such as the stiffness of the superstructure, the intensity of the soil under the piles, the length and radius of the piles, the distance between the piles, the thickness and the suspended width of the raft
對豎向荷載作用下的空間筒中筒結構、樁筏基礎和地基進行了三維有限元分析。研究整體結構和單片墻結構在上部結構剛度、樁端土強度、樁長、樁徑、樁距、筏板厚度、筏板外挑寬度等影響因素變化時的樁頂反力分佈規律、樁筏荷載分擔比、樁基沉降和差異沉降規律。A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected
該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通流徑期望線的分佈、大城市與區域干線公路網的銜接以及快速路系統線網的整體結構等進行分層次的分析研究，得出快速路系統線網構架，運用重要度法、層次分析法找出大城市重要功能組團中重要程度最高的一個或數個關鍵交叉口作為快速路系統線網規劃的控制點，考慮快速路線路走向的控制點對線路走向進行優化。The load displacement curves and the ultimate strength of each member are presented. effects of beam length, radius of curvature and flexural - torsional rigidity on ultimate are considered
通過試驗研究，給出每個構件的荷載位移曲線和極限承載力，得到了曲梁承載力隨跨長、曲率半徑以及截面尺寸的變化規律。Taking into account the growth of demand index, and the constraints of production growth, the essay models how resources from multiple sources can be brought together to meet demands, and illustrates the strengths of mobilizable resources and the limitations of other kinds of resources
通過大量戰爭對資源需求與保障的定性定量分析並考慮物質生產增長規律制約，捕捉到需求指數增長趨勢，構築了多途徑資源組合應對模型，論述了各途徑資源所受制約和可動員資源的優勢。The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation
小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性Shandong is one of the economic developed districts in north coastal china. the relation between economic growth and resources, environment possesses typicalness. therefore, in this article, shandong is picked up for the research unit and its regional predomination is analyzed ; space - time alterable characteristic between economic growth and resources, environment is studied and discussed ; degree of harmony on economy - environment and classification of intimidation on economy - environment is initially discussed ; the countermeasures is put forward
因此，本文選取山東省作為地域研究單元，從分析山東省在全國的區域優勢地位入手，研究和探討了山東省經濟增長與資源、環境的時空變動特點和規律，並在此基礎上對經濟環境協調度和經濟環境脅迫區劃分進行了初步探討，並提出解決經濟增長與資源、環境矛盾的途徑，以便更好的為山東經濟建設和生態環境建設服務。In the first part, the four feasible alternatives for the conjunctive operating system are first presented, followed by initial operating rules. the variables for energy of all alternatives are obtained by the regulating long series of historical flow and are the base of optimal selection for the second part
本項研究主要由兩大部分組成，第一部分是先擬定4種不同的可行方案，然後制定相應的運行規則，經過長系列徑流調節計算，求得各方案的動能經濟指標。Because of the digitally rebalanced circuit, the sensor is capable of achieving better static and dynamic characteristic, higher sensitivity and stability. in this paper, the propagation path of light in the step index fiber and graded index fiber is introduced firstly. then the paper sets up the coupled power model and develops the coupling function
在文中，首先介紹了光線在階躍型光纖和梯度折射型光纖中的傳播路徑，以及在一端鍍有反射膜的1 4波節長度的grin透鏡中的成像規律，並推導了光功率耦合函數。Accordingly, small investor should jump out the thinking mode of inherent, narrow, aggrandizement, from more long - term spatio - temporal on hold the market to run the rule, thorough research consumes demand, develop a new style or a new method of one ' s own, devote oneself to to manage a person not to have me some commodity and service, take market blind spot opportunely
因此，小額投資者應該跳出固有、狹窄、強化的思維模式，從更長遠的時空上把握市場運作規律，深入研究消費需求、獨辟蹊徑，致力於經營人無我有的商品和服務，巧占市場盲點。Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process
在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。In this paper, the author would like to disclose the development in transfer tool for high aspect ratio deep drawing brass tube with two stages at mirdc
摘要本文主要介紹金屬工業研究發展中心，以深引伸傳送技術開發高長徑比雙階差黃銅管件深引伸模具之成果，包含工程規劃、模具設計及試模等方面。As a typical system of mass, a cooperative multi - mobile robot system is at the core of this dissertation. path planning of the cooperative multi - mobile robot system, robust identification and robust control of each mobile robot for tracking the planned paths are studied in five chapters as follows : firstly, definition of multi - agent systems, proposal of robustness study of mass, status and existing problems in path planning of mobile robots, in nonlinear system identification and in nonlinear system robust control are discussed
全文共分五章，主要內容如下:首先介紹了多智能體系統的定義、多智能體系統魯棒性研究的提出，以及移動機器人系統的路徑規劃、非線性系統辨識和非線性系統魯棒控制的研究現狀及存在的問題;然後針對合作式多移動機器人系統的路徑規劃，創造性地提出了合作式共同進化自適應遺傳演算法，以及移動機器人路徑的定長十進制編碼機制。The threshold speed and the typical characteristics of the oil whip of the system are simulated under the nonlinear model of oil film force, and the state of motion and type of the bifurcation are analyzed by floquet multiplicators which is computed by the shooting method. secondly, the the nonlinear dynamical model of the low - pressure rotor - bearing system by column bearing with reduced dimensions is presented. the numerical results show the rule of the amplitude with the eccentricity of rotor, the length - to - diameter ratio, oil viscosity and the clearance - to - radius ratio of the bearing under the definite speed
其次，對降維后的低壓轉子?軸承系統的非線性動力學方程，計算了圓柱瓦軸承支撐的轉子系統的振動穩定性在固定轉速下隨偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比的變化規律，並分析了轉子前軸承軸頸的失穩轉速與轉子偏心距、軸承長徑比、潤滑油動力粘度和軸承間隙比之間的關系，同時利用floquet理論分析其運動狀態和分岔類型。We take depth research of steel fiber polymer concrete reinforced principle from the compound mechanics theories and interval theories, summing up the material function influence regulation of the different length - diameter ratio steel fiber, revising to establish the mechanics model of confusion direction distributing steel fiber polymer concrete
從復合力學理論和纖維間距理論對鋼纖維聚合物混凝土的增強機理進行了深入的研究，總結出了不同長徑比的鋼纖維對材料性能影響規律，修正建立了符合亂向分佈的鋼纖維聚合物混凝土的力學模型。Raster to use robots work space division, with the serial number identification grid, and the serial number as this robot path planning parameters of the code to shorten the length coding
採用柵格對機器人工作空間進行劃分，用序號標識柵格，並以此序號作為機器人路徑規劃參數編碼，縮短了編碼長度。It brings to strong attention of world opinion, and leads to the research topic of the paper. it puts forward that the research emphasis is the role of capital input, labor input, human capital, technical progress, innovation of institutions in china ' s economic growth. it points out that, it is important for selecting the route of the long - term growth to analyse the driving cause of china ' s economic growth, and it is the important role for studying the fact of china ' s economic growth by the pattern of economic growth
本文分七個方面來闡述：導言部分指出中國經濟的持續快速增長引起國際輿論的廣泛關注，由此引出本文要研究的問題，提出本文的研究重點是資本投入、勞動力投入、人力資本、技術進步、制度創新等因素在中國經濟增長中的作用，指出分析中國經濟增長的動因對長期增長路徑選擇的重要性，指出經濟增長的規律對研究中國經濟增長的事實的重要作用，提出了本文的研究方法和邏輯思路以及本文的創新之處。分享友人