relation n. 1.說話,敘述,報告;故事。 2.關系,聯(lián)系;〔pl.〕(利害)關系,交情;〔pl.〕國際關系。 3.親戚關系;親戚。 4.【法律】告發(fā);追溯效力。 5.比率,比數(shù)。 6.〔pl.〕男女關系;性關系。 diplomatic relation 外交關系。 the relations of production 生產關系。 social relations 社會關系。 the relation between cause and effect 因果關系。 the relation of father and son 父子關系。 Is he any relation to you 他是你的親戚嗎? bear no relation to =be out of all relation to 和…無關,和…完全不稱。 The outlay seems to bear no relation to the object aimed at. 這費用似乎和預期目的完全不相稱。 have relations with 和…有(某種)關系。 have relation to 有關;和…有關系(The report has relation to a state of things now past. 這個報告是關于現(xiàn)在已經過去的事件的)。 in [with] relation to 關于…,就…而論。 make relation to 提及…,讀到…。 relation by marriage 姻親,裙帶關系。
function n. 1.功能,官能,機能,作用。 2.〔常 pl.〕職務,職責。 3.慶祝儀式;(盛大的)集會,宴會。 4.【數(shù)學】函數(shù);與其他因素有密切關系的事。 The function of the ear is to listen. 耳的功能是聽。 the function of education 教育的功能。 discharge one's functions 盡職。 the functions and powers of the National Congress 全國代表大會的職權。 a controllable function【火箭】遙控程序。 public [social] function招待會,文娛晚會,社交集會。 vital functions 生命機能。 vi. (器官等)活動,(機器等)運行,發(fā)揮作用。 function as teacher 擔任教師。 a sofa functioning as a bed 兼當床用的沙發(fā)。 The lathe doesn't function well. 這臺車床有毛病。 function digit [letter] 【計算機】操作數(shù)碼[字碼]。
function of function迭函數(shù); function合成函數(shù); 元函數(shù)
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。