three-addition method 中文意思是什麼

three-addition method 解釋
加三推焦法
  • three : n. 1. 三個人[東西]。2. 三歲,三時。3. 【板球】3字型。
  • addition : n. 1. 附加,追加;附加物。2. 【數學】加法,加算。3. 【法律】(加在姓名后的)頭銜,官銜;稱號。4. (建築物的)附加部分。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. So must use information theory method depict and abundant the genetic diversity index system. in addition to, the introduce of molecule biology technology and the research of nucleotide sequence evolutive give a new method for population genetic, so must do deeply research about the analysis method of dna sequence data = the research main about the follows : there are three parts about the information model of population genetic : one about the shannon information entropy property of equilibrium population and the entropy change in the process of establish equilibrium ; another research is about the diversity measure - ment of genetic variation ; lastly, research the shannon information measurement about the disequilibrium gene variation. the result is : 1 to a definite gene distribution, the genotype entropy reach the maximum at the equilibrium population, the process of population from disequilibrium to equilibrium, the entropy get large and large

    此外,分子生物技術的介入及核苷酸序列進化的研究都為群體遺傳學的深入研究提供了新的途徑,但關于dna序列數據的分析方法需要作進一步的研究。本研究主要體現在以下幾個方面: (一)關于群體遺傳學的信息論模型研究,主要分為三部分內容:一是群體平衡的shannon信息熵的性質和群體平衡建立的熵變性質;二是群體遺傳多樣性測度的研究;三是非平衡群體的基因變異測量shannon信息量的方法研究。得到了如下結論: 1 、平衡群體的shannon信息熵最大,群體平衡的過程是熵的增大過程。
  2. The super resolution effect of sb layer super resolution structure is also investigated with near - field scanning optical microscope. in addition, a rigorous three - dimensional ( 3d ) optical electromagnetic finite - difference time - domain ( fdtd ) model for analysis of a sil system is detailed. in order to accurately analyse sil model, a new method of setting a focused gaussian beam source in fdtd grids is presented

    此外,本文還建立了對sil系統光傳輸特性進行模擬的時域有限差分程序,提出一種在fdtd模擬的離散空間設置會聚高斯光源的新方法,並模擬了會聚高斯光束在sil系統中的傳輸,研究了sil在不同離焦情況下底面出射光場幅度及光束半徑的變化規律,為sil存儲系統的優化設計提供了理論依據。
  3. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  4. In addition to pic method, the numerical computation method is used as a compensation for the study of the characteristics of electron beam. the two methods are used separately to attain the trajectory of axially - emitted electron beam in diode region and drift region, and the trajectory of radially - emitted electron beam with axial, azimuthal, as well as compounded axial and azimuthal magnetic field. three two - dimensional codes and two three - dimensional codes have been made out to compute the trajectories

    本文特點之一就是採用粒子模擬和數值計算相結合的方法進行模擬計算,分別得到了軸向發射條件下電子在二極體區域和漂移區的軌跡,徑向發射條件下電子在角向磁場、軸向磁場、角向和軸向復合磁場中電子的運動軌跡,分別編制了三個二維電子軌跡計算程序和兩個三維電子軌跡計算程序,最後將粒子模擬和數值計算得到的結果進行了對比,得到了較為滿意的結果。
  5. The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation

    本研究主要進行了以下工作:結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況,建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型;應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型;闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法;進行了工程實例計算;最後,對牽引供電系統優化設計技術應用進行了總結。
  6. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體極限平衡法的理論基礎、計算方法、參數選取、適用條件等方面入手,剖析了剛體極限平衡方法的3點自身缺陷和6點不足,並在此基礎上採用了剛體極限平衡法(平面滑動破壞法、 sarma法、傳遞系數法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有限元法對比研究的方法,分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參數、滑麵塑性參數) 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全系數的解答的差異。
  7. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有效可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精確控制的難題;建立了錨跨索股索力的精確計算模型,分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制系統,該系統具有穩定可靠,精度高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  8. 3d - c / sic fabricated with t300 carbon fibers weaved into 3 - dimensional and 4 - directional structure, was deposited pyrocarbon and sic matrix at 950 - 1000 with cvi method. fiber volume fraction of 3d - c / sic was 40 - 45 %, composite density was 2. 01g / cm3 and porosity was 17 %. in addition, the thickness of pyrocarbon interface was 200 nm for interaction fatigue - creep ; the interface layer of pyrocarbon for thermal shock had three thickness obtained by controlling deposition time which were 10h, 20h, 30h, respectively

    3d - c sic是用t300碳纖維編織成三維四向編織體, cvi法在950 - 1000緻密,纖維體積分數為40 - 45 ,密度為2 . 01g cm ~ 3和孔隙率為17 ,用於疲勞蠕變交互作用試驗熱解碳界面層厚度約0 . 2 m ;用於熱震試驗的有三種界面層厚度分別是熱解碳沉積時間10小時、 20小時、 30小時獲得。
  9. Beginning with the shortcomings of s / n ratios method, other three techniques of permias and data transformation and response surface methodology which are alternatives to s / n ratios method have been analyzed. in addition, for an example of a thermal expansion instrument ' s robust design, it has been proved that surface methodology is an improvement to s / n ratios method

    從田口s n比法的弊端入手,分析了s n比法的替代方法: permias法、數據轉換法和響應曲面法,並以實例證明:響應曲面法對s n比法的改進。
  10. The author mainly realized the method of generating the large random numbers and judging the prime number using lehmann means, then three pairs of secure key with different lengths ( 256 bits, 512 bits, 1024 bits ) was generated to meet the demand of different security grade. in encryption module, modular multiplication arithmetic of large number was realized adopting addition chaining. in decryption module, extended euclid was used to get inverse, and the chinese remainder theorem was used to realize decryption, which increased the speed of decryption greatly

    作者主要實現了大隨機數的生成、採用整除小素數和勒曼測試法判定素數,可以生成三種不同長度的密鑰對( 256位、 512位、 1024位)來滿足不同的加密安全等級的需求;加密模塊中,選用了二進制序列的乘法方法,實現了大數模冪乘運算;解密模塊中,引用了擴展的歐幾里德法求逆元,並採用中國剩餘定理實現解密過程,大大提高了解密速度。
  11. Among these a three - phase voltage - style pwm rectifier is selected, and voltage space vector pwm is employed. and its principle, mathematics models and the selection of control parameters are studied in details. in addition to, a fast algorithm for space vector pwm, the method of decomposition matrix proposed in this paper can simplify the calculation process and with which we may omit the triangular function tables

    分析總結了現有的三相整流電路拓撲及其控制策略,選擇以三相電壓型pwm整流器為研究對象,並採用電壓空間矢量pwm控制策略;分析研究了整流器的工作原理,建立了數學模型;研究了控制方法及其參數設計;提出了電壓空間矢量的pwm快速演算法,不需要三角函數表,由dsp實時計算得到精確的工作矢量及零矢量的作用時間。
  12. This text includes the preface and totally contain the following six parts : the preface, it introduces the original reasons about the evaluating of forest resources value ; the first part, discussing the basic theories of the evaluation of forest asset value and its checking, and it primarily includes the both side contentsione is a basic theories of asset evaluation, which introduce the three basic methods : namenly marketing method, income method and cost method ; the other is 《 the no. 41 of international accountant standard - agriculture 》 that its related rules point out the direction for the checking of forest asset value ; the second part, primarily discussing the four kinds of forest asset : namely the characteristics and evaluation methods of woodland asset, wood asset forest enviroment and forest landscape asset ; the third part, talking about specialities of accountant report forms and accountant checking of all categories of subjects of forest asset ; the four part, taking the example of shifang forest ry station of forest asset valuation circumstance, and after the analysis make an important conclusion that the forest and twood managements have the tremendous positive exterior - economic effection. in addition, the thesis take the example of forest resource evaluating and accounting about the station ; the fifth part, finally talking about doing the forest resources value evaluating and accounting well must do resolution problems and carry out the foreground of it

    本文包括前言共有六個部分,概述如下:前言,談研究森林資產價值評估及核算的緣起;第一部分,論述森林資產價值評估及核算的理論基礎,主要包括兩方面內容:一是資產評估的基本理論,重點談了資產評估的三種最基本的方法,即市場法、收益法和成本法;二是《國際會計準則第41號? ?農業》有關規定為森林資產價值核算指明了方向;第二部分,主要論述四種森林資產,即林地資產、林木資產、森林環境、森林景觀資產的特點和評估方法;第三部分,談森林資產各科目的會計核算及會計報表的特殊性;第四部分,以什郁林場森林資產的評估情況為例,進行分析並得出結論?對森林、林木的經營管理,具有極大的外部經濟正效應,另外列舉了該場森林資產會計核算部分實例;第五部分,最後談到做好森林資產價值評估及核算還須解決的問題和其發展前景。
  13. In addition, in the article i m up the three foundations of wave theory. i make it clear that the technical analysis " worth in the investment " s practice and mentality. finally, i bring forvrard the fusion way of the technical analysis and the fundamental analysis - - - - the method of the trend " s forecast, namely, study the regulation of the big trend by the fundamental analysis and study the regulation of the small motion by the technical analysis

    此外,本文總結了波浪理論的三大基礎,明確了技術分析在實際投資中、心理上的存在價值;最後,本文提出了技術分析與基本分析融合的方式? ?趨勢預測法,其基本應用是:用基本分析研究大趨勢規律、用技術分析研究小波動規律,從而,為建立新的證券分析理論體系奠定了基礎。
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