等重力點 的英文怎麼說

中文拼音 [děngzhònglìdiǎn]
等重力點 英文
equigravitational point
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 力 : 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...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. ( 2 ) the paper studies on the important concepts of enterprise, entrepreneur, human capital, coessential resource and idiosyncratic resource, and analyzes the traits of entrepreneur human capital, discusses the functions of entrepreneur. it presents and formats the basic theory of development of entrepreneur human capital

    武漢理工大學博士學位論文u ）重新界定了企業、企業家、人力資本、同質性資源和異質性資源等重要概念，分析了企業家人力資本的特點、企業家職能，提出並模型化了企業家人力資本開發的基本原理。
  2. Considering the characters of bp neural network, such as the simple structure, the advisable malleability, self - fitness, self - studying, nonlinear function approximating, the considerable abilities of parallel computing, fault - tolerant and so on, the bp algorithm have been extensively applied to the areas of system modeling, pattern recognition and seismic exploration since 1986. compared with other algorithms, as the above reasons, the bp algorithm has become the most usual and efficient solutions to the artificial neural networks

    由於人工神經網路中的bp神經網路結構簡單，可塑性強，具有良好的自適應、自學習、極強的非線性逼近、大規模并行處理和容錯能力等特點，自1986年rumelhart等人提出以來，被廣泛應用於系統建模、模式識別、地震勘探等重要領域。而bp演算法數學意義明確，步驟分明，是神經網路中最為常用、最有效、最活躍的一種方法。
  3. We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater

    通過本區白雲巖的研究發現：已有的白雲巖樣品的巖石學特徵沒有顯示出如示底構造、滲濾沙、新月型膠結物和重力膠結物等大氣淡水作用的特徵；在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中，無論是準同生成因的泥?微晶白雲巖，還是粉?細晶（或中晶，或細晶以上的不等晶）的成巖白雲巖，均投在海水線的附近；白雲巖（或基質）的~ （ 87 ） sr / ~ （ 86 ） sr比值顯著低於與孔洞或脈中充填的亮晶方解石，且與海水值十分接近， ~ （ 13 ） c和~ （ 18 ） o值顯著高於孔洞或脈中充填的亮晶方解石，也偏向于海水值； mn含量則顯著低於孔洞或脈中充填的亮晶方解石。
  4. Geotechnic centrifuge model test technique utilizes the equivalence between centrifugal force field and gravitational field ; model dimension dwindles into 1 / n times of prototype " s, but the body force on the model increases n times. the strain and stress of model is equal to prototype " s, but the displacement of prototype is n times of model " s

    土工離心模型試驗技術利用離心力場和重力場等效性，將模型尺寸縮小到原型尺寸的1 / n ，同時作用在模型上的體積力增大n倍，這時，模型中各點的應力、應變與原型中對應點的應力、應變相等，原型和模型對應點的位移成n倍關系。
  5. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  6. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  7. Secondly, through systematic analysis of the grade - scale structure, functional structure and spatial structure of the urban and towns in tianshui city, the conclusion is drawn in the paper that the problems of urban and towns system is as follows : unreasonable structure, smaller scale and relatively less in number of urban and towns. then it offers the convinc ing proof of establishing a new urban and towns system. thirdly, based on the analysis above, the paper puts forward the corresponding countermeasures to enhance the development of the urban and towns system, including strengthening the function of tianshui city as a central city, reasonably developing small cities such as qin ' an county, gangu county and wushan county, enhancing the constructed level of critical villages and towns, developing ordinary villages and towns and harmony their development in the whole

    本文在對天水城鎮體系范圍確定的基礎上，以多種區域及城市發展理論為指導，首先對天水城鎮體系的歷史形成過程、區域基礎和經濟發展現狀進行了全面總結；其次，系統分析了天水城鎮體系的等級規模結構，職能結構和空間結構，得出天水城鎮體系目前存在的問題是：結構不合理，城鎮規模小，數量少，從而為天水城鎮體系的構建提供依據；再次，根據前文分析結果，提出了天水城鎮體系發展的對策：強化中心城市天水市的功能，合理發展縣級小城市，如秦安縣、甘谷縣、武山縣等；大力提高重點鄉鎮的建設水平，積極發展一般鄉鎮，並促使各級城鎮協調發展；最後本文提出了為落實天水城鎮體系發展的保障措施。
  8. Permanent surveying markers as referred to in paragraph 1 of this article include wooden or steel signals and stone markers established at triangulation points, baseline points, traverse points, military control points, gravimetric points, astronomic points and leveling points of various orders and classes, as well as fixed markers used for topographic mapping, engineering surveying and deformation measurement, and installations at seabed geodetic points

    第一款所稱永久性測量標志，是指各等級的三角點、基線點、導線點、軍用控制點、重力點、天文點、水準點的木質覘標、鋼質覘標和標石標志，以及用於地形測圖、工程測量和形變測量的固定標志和海底大地點設施等。
  9. Among other things, this studio considers problems of gravity, nature, tectonics, phenomenology, molecular characteristics, structural capacity and material performance, and site

    除此之外，該實踐課程還考慮重力、自然、構造學、現象學、分子特性、結構力、材料性能和地點等問題。
  10. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後，針對外載與自重共同作用下，傳統光彈性分析法中採用離心力場模擬重力場獲得自重應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴重缺點，按照結構相似的模型理論，本文提出模型外載與自重並存變動外載的光彈性分析法，導出處理這個問題具體的相似律和試驗原理及方法，進行了典型實驗驗證，指出僅用外載作用的模型試驗，即不用離心力場模擬重力場的模擬試驗，就可以獲得上述兩種載荷共同作用下的應力分析結果。
  11. The first part makes a detailed exposition on " problem - inquiry " model in the aspects of historical origins, connotation, theoretical basis, operation programme, evaluation system and implementation conditions etc. in accordance with the different characteristics and requests of theoretical, experimental, exercises lessons, the second part illustrates how carry out " problem - inquiry " model respectively using the motion of level projectile, determine acceleration of gravity with single pendulum, the motion question of pursuit and meeting as living examples

    第二部分（第二章）針對理論課、實驗課、習題課等不同課型的具體特點及要求，分別以《平拋物體的運動》 、 《用單擺測定重力加速度》 、 《追及與相遇問題》為實例，論述了在理論課、實驗課、習題課教學中，如何實施「問題一探究」式教學模式。
  12. Using piezoresistive accelerometers and magnetoresistance sensors measure the dynamic acceleration and geomagnetic field and through avr mcu software to calculate the attitude angular and azimuth. the fact of affecting the module is discussed in detail in this report and put forward the resolving scheme of key technology of digital filter, linear compensation, temperature compensation and magnetic field adjustment. the digital module has advantages of small size, light weight, low conception, high accuracy, all solid state and high reliability

    本課題採用壓阻式加速度計和磁阻傳感器分別測量重力加速度和地磁場，通過avrmcu軟體解算出姿態角和方位角，課題詳細分析了影響模塊性能指標的因素，就數字濾波、線性補償、溫度補償、磁場修正等關鍵的技術問題提出了可行的解決方案，研製的數字化模塊具有體積小、重量輕、低功耗、精度高、全固態、高可靠等特點，所有性能指標均滿足設計要求，為姿態角測量提供了有效的手段。
  13. Based on the analysis of designed cad graphics and the given parameters, computer can convert the cad graphics to a acdbpolyline which can simulate the routine of the conveyor chain. then by using the method of point - by - point strain calculation, computer could figure out each point ’ s strain of the chains under different load states, and get the results such as strain ’ s maximal and the minimal values and their positions, weight of the strain equipment and power of the drive electric - machinery that the conveyor need

    通過對設計的cad圖形和給定參數的分析，將輸送鏈運行軌跡轉化為一條可模擬輸送鏈軌跡的多義線，然後用逐點張力計演算法動態地計算出各種加載狀態下輸送鏈上各點的受力，得出最大、最小受力點的力的大小和位置，拉緊裝置的重量，驅動電機所需的功率等結果。
  14. Secondly, their aims are made the investment of substations, feeders or running cost of electric power system minimum. but they do n ' t take into account of land utilization, street accessibility of right of way, etc., but demands of electric power system. generally, a straight line distance, namely, euclid distance, was used for calculating the distance between a load point and a substation, which is a straight forward but non - practical way for most planning techniques

    其次受研究工具的限制，這些模型以工程投資、運行費用等最小為目標，僅能考慮導線載流量、電壓降等電力系統技術約束條件，簡化略去了用地限制、街道可達性等重要的自然約束條件，且求解這些模型的前奏是計算負荷點到變電所的歐幾里得距離（直線距離） ，簡便但不切合實際（這一點在城市電網規劃中尤其重要） ，因此較難給出技術上可行的最優解。
  15. Tower crane has following characteristics : discontinuous working, starting & braking frequently ; there are noticeable vibration and impulsion in running ; high lifting height and extend rang, heavy lifting moment, etc. with the advent of more and more high - rise and large - scale buildings, requirements for the efficiency, lifting height, lifting moment, and safety features are becoming higher and higher

    塔式起重機具有下述工作特點:斷續工作、頻繁啟動、制動;運行過程中有明顯的振動和沖擊;起升高度和工作幅度較大，起重力矩大。隨著社會中各類高層建築和大型工程的出現，使其對塔機的工作效率、起升高度、起重力矩和安全性等工作性能提出了更高的要求。
  16. Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively

    本文針對不同類型的輸水管線和配水管網系統的特點，應用遺傳演算法和線性規劃等優化設計理論和方法，對其優化設計問題進行了較為系統的研究，成果如下： 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型，並提出了計算方法。
  17. Based on several actual cases, the temperature control measures for roller compacted concrete ( rcc ) gravity dam and arch dam such as structural jointing for construction ; lowering of concrete placing temperature ; water pipe cooling ; surface insulation ; inclined - layer placing etc., the measures to improve the material properties i. e. the application of micro - expanding concrete ; enhancement of material crack - resistance property and the requirement for the simulative analysis on both the temperature field and stress field as well as some problems concerned are summarized herein on the basis of the analysis on the material properties ; construction characteristics and the changing characteristics of the thermal stress of roller compacted concrete

    摘要從碾壓混凝土的材料特性、施工特點、溫度場溫度應力的變化特點入手，結合幾個工程總結了碾壓混凝土重力壩、拱壩的分縫方式，降低澆築溫度、水管冷卻、表面保溫、施斜層碾壓等溫控措施，採用微膨脹混凝土、提高材料抗裂性能等改善材料性能措施及碾壓混凝土溫度場、應力場模擬分析的要求和應注意的問題。
  18. Because of the difference of shape character and function between arch dam and gravity dam, the effect of loads, such as seepage pressure and gravity in arch dam, is smaller than that in gravity dam, but, the thermal load and dam contraction are turned into main loads

    由於拱壩的體形特點和工作原理與重力壩不同，所以在拱壩中滲透壓力與重力等作用荷載的影響要比在重力壩中小，而溫度荷載及壩體混凝土收縮則上升為主要荷載。
  19. We might therefore retrace the tectono - magmatic evolutionary history of orogenic belts in the light of characteristics of volcanic magmatism at different forming and evolutionary stages of orogenic belts and further explore some important scientific problems of global dynamics and comparative planetary dynamics by means of comparison on larger scales

    因此，可以根據造山帶形成、演化不同階段火山巖漿作用的特點來重溯造山帶的構造巖漿演化歷史，進而從更大尺度上加以對比，探索全球動力學乃至比較行星動力學等重大科學問題。
  20. We might retrace the history of tectono - magmatic evolution of volcanic magmatism at different stages of formation - evolution of orogenic belts and further explore some important scientific problems of global dynamics and comparative planetary dynamics by means of comparison in larger scales

    因此，我們可以根據造山帶形成演化不同階段火山巖漿作用的特點來重溯造山帶的構造-巖漿演化歷史，並進而從更大尺度上加以對比，探索全球動力學乃至比較行星動力學等重大科學問題。
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