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function relation中文是什么意思

  • 函數(shù)關系

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  • 例句與用法
  • The results show that there is a power function relation between rainfall intensity and runoff duration and a linear relation between rainfall intensity and sediment transport rate of unit width , and we find the experienced coefficient of above relations through regression analysis
    結果表明,產流時間和降雨強度之間存在冪函數(shù)關系,與單寬輸沙率之間存在線性關系,單寬輸沙率與單寬流量之間亦存在線性關系。
  • Traditional finite element calculation of saturated seepage always takes permeability coefficient as a fixed value , actually the permeability coefficient of unsaturated soil appears to be in a non - linear function relation , and has close relation with volume moisture content and pore water pressure
    摘要傳統(tǒng)的有限元飽和滲流計算往往把滲透系數(shù)取作定值,而實際上非飽和土滲透系數(shù)呈非線性函數(shù)關系,與體積含水率、孔隙水壓力密切相關。
  • In order to solve the problem of deviation of suitable angle andthe practice of shot put , the author analyzes the function relation between performance and the maximum projectile range , draws the best result theorem that is new optimum angle formula and sign - line parameter
    為了解決鉛球適宜投出角度公式與實踐偏離的問題,分析了鉛球成績與拋體最大射程的函數(shù)關系,得出了最大成績定理、 “新”最佳投出角度公式和最佳出手角度標志線參數(shù)式。
  • First , based on the arisen conditions of hopf bifurcation of the delay system and the corresponding handling methods , we propose an analytic method for achieving the controlling conditions when a low - dimensional chaos system is controlled by dfc , and obtain the function relation of controlling parameters
    基于數(shù)學上分析延遲系統(tǒng)產生hopf分支的條件及處理方法,針對用dfc法控制低維混沌系統(tǒng)的情況,我們提出了確定其控制條件的一般解析方法。
  • Especially , in the latter model , the matched degree of system space and mission is taken as standards . and we also establish an index system and a model of c4isr system efficiency analysis correspondingly . after then some methods and algorithms are introduced , which include the principles and the method of choosing efficiency index and parameter index , the method of index filtering , the method of determining index function relation , the revising algorithm of ahp weight and the sort algorithm of judgment matrix
    作者對國內外c ~ 4isr系統(tǒng)效能分析的主要方法進行了比較分析,提出了一種以指標體系為基礎的層次效能評估靜態(tài)模型和以系統(tǒng)空間與使命的匹配程度為目標的動態(tài)評估模型相結合的評估思想,建立了c ~ 4isr效能分析指標體系與模型,給出了性能指標與參量指標選取的原則與方法、指標篩選方法以及指標函數(shù)關系的確定方法、 ahp的權值修正算法、含灰元的判斷矩陣排序算法等。
  • 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(qū)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,并整理得到了各種通道形式下,努謝爾數(shù)和阻力因子與雷諾數(shù)的函數(shù)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(yōu)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。
  • The paper analyzed the struture of the tri - eccentric butterfly vavle at length , defined the tri - eccentric butterfly valve , educed the geometry function and its characteristic about the section of the butterfly disc . the results indicate : the parallel contour line across butterfly disc thickness is normal ellipse , thereby eslablished function relations between its geometry parameters ( long axis and short axis ) of three primary sections of the butterfly disc and the tri - eccentricity ; in order to avoid interference between the butterfly disc and the valve seat as well as the valve body , combining the torque , we obtained the feasible range about the rotation center of the tri - eccentric butterfly vavle
    本文主要分析了三偏心蝶閥的結構,給出了三偏心的定義,推導出了蝶板截面的幾何方程及其性質,結果表明,沿蝶板厚度的平行截面輪廓線為標準的橢圓形,進而推導出了蝶板幾個主要截面的幾何參數(shù)(長軸、短軸)與三個偏心之間的函數(shù)關系;考慮到蝶板啟閉過程中避免與閥體及閥座發(fā)生干涉,結合蝶板的啟閉扭矩,確立了三偏心蝶閥回轉中心的適宜區(qū)域。
  • On the basis of theory analysis , the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ) . the dc value was closely related to both particle concentration and surface area of sand clay simultaneously . the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients . then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0 . 981 . so the model of automatical control system of water treatment plant was established using the formula
    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表征參數(shù), dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數(shù)關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數(shù),進而得到了以dc值為參數(shù)的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數(shù),平均相關系數(shù)達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯(lián)合控制的在線自動投藥模型。
  • A experienced equation which is summarized by many experiments is used to determine the number of mesosphere nerve cell and a sort of new square - sum function of errors is adopted . its characteristic is that weight errors of possible exceptional point is less . accordingly , the effect of errors of possible exceptional point is reduced , which make actual function relation simulation easier
    本系統(tǒng)針對bp算法的局限性,給出了一種優(yōu)化的bp算法,采用經過大量實驗總結出的經驗公式來確定隱層神經元的個數(shù),并選取了一種新的誤差平方和函數(shù),該函數(shù)的特點是對一些可能的異常點的誤差權值設計的較小,從而降低了異常值誤差帶來的影響,便于模擬出真實的函數(shù)關系。
  • According to deduction and calculation the critical inclination of failure face has a linear relation with the slope angle , a quadratic function relation with the friction angle of failure face , a logarithmic relation with the height of failure part , a negative exponent relation with the cohesion of failure face , and a quadratic function relation with the unit weight of failure body
    通過推導和計算得知,滑面的臨界傾角與邊坡傾角呈線性關系,與破壞面摩擦角呈二次函數(shù)關系,與滑體高度呈對數(shù)關系,與破壞面的黏聚力呈負指數(shù)關系,與巖體重度呈二次函數(shù)關系。
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