relation n. 1.说话,叙述,报告;故事。 2.关系,联系;〔pl.〕(利害)关系,交情;〔pl.〕国际关系。 3.亲戚关系;亲戚。 4.【法律】告发;追溯效力。 5.比率,比数。 6.〔pl.〕男女关系;性关系。 diplomatic relation 外交关系。 the relations of production 生产关系。 social relations 社会关系。 the relation between cause and effect 因果关系。 the relation of father and son 父子关系。 Is he any relation to you 他是你的亲戚吗? bear no relation to =be out of all relation to 和…无关,和…完全不称。 The outlay seems to bear no relation to the object aimed at. 这费用似乎和预期目的完全不相称。 have relations with 和…有(某种)关系。 have relation to 有关;和…有关系(The report has relation to a state of things now past. 这个报告是关于现在已经过去的事件的)。 in [with] relation to 关于…,就…而论。 make relation to 提及…,读到…。 relation by marriage 姻亲,裙带关系。
function n. 1.功能,官能,机能,作用。 2.〔常 pl.〕职务,职责。 3.庆祝仪式;(盛大的)集会,宴会。 4.【数学】函数;与其他因素有密切关系的事。 The function of the ear is to listen. 耳的功能是听。 the function of education 教育的功能。 discharge one's functions 尽职。 the functions and powers of the National Congress 全国代表大会的职权。 a controllable function【火箭】遥控程序。 public [social] function招待会,文娱晚会,社交集会。 vital functions 生命机能。 vi. (器官等)活动,(机器等)运行,发挥作用。 function as teacher 担任教师。 a sofa functioning as a bed 兼当床用的沙发。 The lathe doesn't function well. 这台车床有毛病。 function digit [letter] 【计算机】操作数码[字码]。
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 结果表明,产流时间和降雨强度之间存在幂函数关系,与单宽输沙率之间存在线性关系,单宽输沙率与单宽流量之间亦存在线性关系。
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 摘要传统的有限元饱和渗流计算往往把渗透系数取作定值,而实际上非饱和土渗透系数呈非线性函数关系,与体积含水率、孔隙水压力密切相关。
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 为了解决铅球适宜投出角度公式与实践偏离的问题,分析了铅球成绩与抛体最大射程的函数关系,得出了最大成绩定理、 “新”最佳投出角度公式和最佳出手角度标志线参数式。
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 基于数学上分析延迟系统产生hopf分支的条件及处理方法,针对用dfc法控制低维混沌系统的情况,我们提出了确定其控制条件的一般解析方法。
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 作者对国内外c ~ 4isr系统效能分析的主要方法进行了比较分析,提出了一种以指标体系为基础的层次效能评估静态模型和以系统空间与使命的匹配程度为目标的动态评估模型相结合的评估思想,建立了c ~ 4isr效能分析指标体系与模型,给出了性能指标与参量指标选取的原则与方法、指标筛选方法以及指标函数关系的确定方法、 ahp的权值修正算法、含灰元的判断矩阵排序算法等。
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 叶片内部通道冷却是一个复杂的对流?导热耦合传热问题,本文在分析叶片内部通道冷却的流动与传热情况的基础上,建立了三维、可压缩紊流的物理模型,得到了通用的求解办法;利用不带扰流片的矩形直通道、带顺排扰流片矩形直通道、带叉排扰流片、带倾斜扰流片的矩形直通道的几何模型,计算了冷却空气通过这几种通道时的流动与换热情况,得到了各种不同情况下计算区域的温度场、压力场、速度场;在此基础上分析了不同的通道高度、不同的叶片通道材质对叶片内部通道冷却的影响,并整理得到了各种通道形式下,努谢尔数和阻力因子与雷诺数的函数关系;本文重点研究了新型的叶片内部通道冷却强化传热措施?带扰流片的内部冷却通道的强化传热效果,通过与光滑矩形直通道、带针肋通道的冷却效果的比较,表明了这种新型鲒构的优势,对于叶片内部通道冷却结构的设计可以起到指导的作用。
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阀的结构,给出了三偏心的定义,推导出了蝶板截面的几何方程及其性质,结果表明,沿蝶板厚度的平行截面轮廓线为标准的椭圆形,进而推导出了蝶板几个主要截面的几何参数(长轴、短轴)与三个偏心之间的函数关系;考虑到蝶板启闭过程中避免与阀体及阀座发生干涉,结合蝶板的启闭扭矩,确立了三偏心蝶阀回转中心的适宜区域。
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 应用透光率脉动检测技术和光散射颗粒粒度分析仪( pda ) ,通过理论分析,将pda的输出信号之一? ?平均透光强度(对应于dc值)作为原水的特性表征参数, dc值可以同时反映颗粒浓度和比表面积因素的影响,试验结果证明, dc值与单位体积水中泥沙颗粒总表面积s _ p之间具有很好的幂函数关系: dc = cs _ p ~ d ,式中c 、 d为经验系数,进而得到了以dc值为参数的高分子絮凝剂投药量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f为经验系数,平均相关系数达0 . 981 ,利用所建立的公式,建立了前馈? ?后馈联合控制的在线自动投药模型。
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 本系统针对bp算法的局限性,给出了一种优化的bp算法,采用经过大量实验总结出的经验公式来确定隐层神经元的个数,并选取了一种新的误差平方和函数,该函数的特点是对一些可能的异常点的误差权值设计的较小,从而降低了异常值误差带来的影响,便于模拟出真实的函数关系。
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 通过推导和计算得知,滑面的临界倾角与边坡倾角呈线性关系,与破坏面摩擦角呈二次函数关系,与滑体高度呈对数关系,与破坏面的黏聚力呈负指数关系,与岩体重度呈二次函数关系。