first calculation 中文意思是什麼

first calculation 解釋
第一計演算法
  • first : adj 1 最初的，最早的。2 最上等的，第一流的。3 基本的，概要的。4 高音（調）的。n 1 最初，第一；第...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. It is the key of ebfs, therefore, furthermore calculation about link are carried out in this thesis, introduced achieved research, summarized the affect of link on whole capability in the first, the second, numerical calculation are proceeded on link with ansys : with the purpose of discussing yielding mode critical length of link, established five different specimens ; with the purpose of discussing the influence of h / tw of web, b / tf of flange and h / b, established eighteen different specimens ; with the purpose of discussing the affect of stiffener, established four different specimens, and elaborated the affect of stiffener on link based on achieved test researches

    因此，本文對耗能梁段進行進一步計算分析，概述耗能梁段對整體性能的影響，並利用有限元程序ansys對耗能梁段進行數值計算：針對耗能梁段的屈服類型建立5種不同長度的模型，計算討論耗能梁段屈服類型的長度劃分；針對耗能梁段腹板高厚比、翼緣寬厚比以及梁段截面形狀等因素共建立了18種模型進行計算分析；針對加勁肋對耗能梁段的作用建立了4種模型，並結合已有的試驗闡述了加勁肋對耗能梁段的影響。
  2. First by estimative calculation the final boundary condition can be gained, then the accurate result of three - dimension temperature field and stress can be gotten through placing accurate boundary condition

    得到了三維溫度場和應力場數據結果。在計算過程中採用了根據實測值反算的思路，使計算得到的溫度場有可靠的實驗依據。
  3. At first the finite element theory for temperature analysis is introduced, and then mainly discussed the calculation models of cement hydration heat and the boundary condition under sun radiation

    首先對這一方法的基本原理進行了簡要的介紹，著重探討了計算中的水化熱計算模型、日照邊界條件處理等。
  4. Being lacking of understanding of behaviors of circular working shaft, the paper proposed theory about ring - beam ' s load - distribution calculations and analyzed the structural behavior of circular working shaft ( cws ) by the numbers from the standpoint of properties of structural style and stress incorporated with thoughts of shared load introduced to research of cws. first, regarding cws as structure of series of hypothetic horizontal circular rings and vertical beams, and considering cws ' s formation and development, the paper proposed load - distribution thoughts to solve cws ' s calculations. ring - beam calculation theory was put up and software cbtlmp1. 0 was worked out based on the conditions of external applied load shared by rings and beams, and of deformation conformity

    首先，本文提出用分載思想解決圓形工作井結構的計算分析問題，將圓形工作井結構看成是由一系列的假想的水平圓環和豎直梁組成的結構，考慮工作井形成過程及形成階段與項進階段的連續性，根據某一時刻相對于上一時刻外載增量由環與梁分擔、環與梁在交叉處變位增量一致的條件將環計算理論與梁計算理論結合起來，據此建立了環?梁分載計算理論並研製了環?梁分載計算分析軟體cbtlmpv1 . 0 。
  5. First, the noblesse new slender ship theory is introduced and modified to make it suitable for numerical calculation, with which we can calculate the wave - making resistance coefficient of a ship

    首先引入noblesse新細長船理論，通過在理論方法上的改進，使之適合於半滑行船興波阻力系數。
  6. First calculation method : doing horizontal projection drawing on drawing piece, k value is introduced by area equation of projection drawing, k value is obtained by area equation, along outline of projection drawing to add k value, that is, outline shape of blank drawing, principle area - equal and shape similar are used. second calculation method : along outline of drawing piece horizontal projection drawing, to do normal line of penetration line for wantonly point of this point, to obtain high of drawing piece on this point normal line, point and point is to form outline shape of blank

    計算方法之一為k值法：作拉深件水平投影圖，在該投影圖面積方程中引入k值，利用面積相等原理解方程，求得k值，沿水平投影外沿加上k值，即為毛坯圖的外廓形狀。計算方法之二為拉深線法：沿拉深件水平投影圖外廓，在任意點作該點切線的法線，在該法線上以該點拉深件的高度為量，在法線上取截點。
  7. This text studies the origins and the development processes of the eva theory first, making reader have a clear picture of the domestic and international research the development condition of eva theory, then introduces the eva calculation formula of these oriels in details, and computes the adjustment item that eva need

    本文首先研究了eva理論的起源與發展過程，使讀者對eva這一理論的由來以及國內外的研究發展狀況有了一個比較清楚的認識，接下來詳細介紹了eva這一理論的計算公式，以及計算eva所需的調整項目。
  8. First, according to measured data and literature, the river channel evolution rule and its reasons in the southern branch of the yangtze river are discussed from the perspectives of historic evolution, recent evolution and the tendency prediction of river channel evolution. besides, the local reservoir has been studied from the changes in thalweg and section as well as the calculation of local erosion and deposit. consequently, the stability and feasibility of reservoir construction in the river section are approved

    首先根據大量實測資料及文獻資料，就歷史變遷、近期演變、河演趨勢預測等方面，初步探討了長江口南支河段河道演變規律及原因，並具體就深泓線的變化、主槽斷面變化、局部沖淤計算等方面對擬建水庫局部區域進行了分析，論證了工程河段建設水庫的穩定性及可行性。
  9. An important step in structure design is the calculation of the ultimate flexural strength of external prestressed concrete beams, which needs to calculate the ultimate stress increment of external tendons first

    結構設計的一個重要環節就是極限承載力計算，而計算體外預應力混凝土梁的極限承載力就必須求得梁在破壞時的體外筋應力增量。
  10. This thesis briefly analyzes some yield criteria and instability criteria to the sheet metal forming first. then according to the transformation rule from ultimate strain to ultimate stress, it establishes the mathematical calculation models of the forming limit stress diagram for the software development according to hill48 、 hill79 and hosford yield criterion irrespectively

    本文首先分析了板料成形的屈服準則和失穩準則，然後根據極限應變到極限應力的轉換關系，分別採用hill48屈服準則、 hill79屈服準則和hosford屈服準則，建立了用於軟體開發的成形極限應力圖的數學計算模型。
  11. First, the calculation id one number to compare a workover project gives managers a tool to compare products that are not the same

    計算一個比較不同修井方案的數據為管理者提供一個比較不同產品的工具。
  12. First, the energy would diffuse after multiple frames accumulation and bring agglomeration effect. second, the amount of calculation and storage level are huge when the snr is low, especially the number of accumulated frames is large. to solve the problems, two methods have been resorted

    但由於其本身存在著不足，一是多幀積累后能量擴散，產生團聚效應;二是在信噪比較低時，需要積累的軌跡很多，存儲量和計算量都較大，尤其是當積累幀數較多時。
  13. According to composition and structure feature of jinjiang landslide analysis, the author considers it was a enormous landslide with the characters about multi - period ( total four slides ) and overlaying, its mechanism of deformation failure attributed to a representative sliding - bending mode in the consequent slope, the stability calculation indicates that no matter what the whole landslide would not slide, while, as earthquake intensity reaching or exceeding vi, the first - period landslide which lies to the south of huangjiagou in the front slip mass and the fourth - period landslide which lies to the north of caojialiangzi in the back slip mass will slide

    由金江滑坡的組成及結構特徵分析可知，邊坡為一多期次（四次滑動）兼具超覆特徵的巨型滑坡，其變形破壞機制屬順層邊坡中比較典型的滑移?彎曲型。穩定性計算表明，滑坡整體穩定性較好，僅在遭遇度及其以上地震作用的情況下，堆積體前部靠黃家溝以南的第一期滑坡及靠後部北側曹家梁子的第四期滑坡堆積體才會失穩；因素敏感性分析表明，滑坡穩定性對地震（尤以強震）最為敏感。
  14. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    ）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。
  15. In this paper, we study an alternative approach by numerical calculation. at first, we introduce the fundamental principles and the basic components of the electron linear. second, we introduce a way of coupler testing - - three frequency method. and present a example of coupler testing. third, we use numerical calculation method to simulate several accelerator structures. the hfss code and mafia code is used to simulate a three - cavity accelerator structure. the two results are compared

    因此，尋找好的方法來設計加速結構耦合腔很重要。本文首先介紹了電子直線加速器的各相關基本理論和其基本組成部件。接著，介紹了現階段耦合腔測試中常用的一種方法? ?三頻法，並給出了測量加速器耦合腔的實例。
  16. First, we must specify the subjects of cost calculation, objects of cost calculation, period of cost calculation, scope of cost calculation, principles of cost calculation, cost items and asset depreciations

    高校教育成本的核算，首先必須明確成本核算主體、核算對象、核算期、核算范圍、核算原則、成本項目、資產折舊等理論問題。
  17. At first, this paper presents two - demensional quartic convolution interpolation to smooth digital terrain. it is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two - dementional cubic convolution interpolation. two - demensional quartic convolution interpolation is more precise than two - dementional cubic convolution and simpler than cubic spline interpolation in calculation. it can satisfy real - time route planning of ucav

    首先，在軌跡規劃前需要對數字地圖進行平滑處理，本文提出了二維四次卷積插值法。它在二維三次卷積插值法的基礎上利用三次樣條插值法的插值函數具有三階連續導數的性質而得來的。
  18. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性
  19. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  20. It is interesting to note that the first calculation of the diameter of the earth was made following a nice experiment by eratosthenes, a contemporary of archimedes in the second century b. c

    有趣的是，對地球直徑最早的計算是由eratosthenes的一個很好的實驗進行的，他生活在公元前二世紀，與archimedes同時代。
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