| 单词 | 变量 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Diophantine equation〕An algebraic equation with two or more variables whose coefficients are integers, studied to determine all integral solutions.丢番图方程：具有二个或二个以上其系数为整数变量的代数方程式，作为探究所有整数解的用途美国传统〔XY recorder〕An output device that sketches the relationship between two variables onto a grid of plane rectangular coordinates.双变量(XY)记录器：一种输出设备，可绘出映衬到一平面直角坐标方格上的两个变量的关系美国传统〔accent〕A mark used as a superscript to distinguish among variables represented by the same symbol.撇号：置于右上角的符号，用以区别由同一符号代表的不同变量美国传统〔accent〕A mark used as a superscript to indicate the first derivative of a variable.撇号：置于右上角的符号，用以标明变量的第一个导数美国传统〔amplification〕The process of increasing the magnitude of a variable quantity, especially the magnitude of voltage, power, or current, without altering any other quality.放大，放大率：可变量增大的过程，尤指电压、电力或电流的增大，不改变其它特性美国传统〔amplitude〕Physics The maximum absolute value of a periodically varying quantity.【物理学】 振幅：周期性变量的最大绝对值美国传统〔analog computer〕A computer in which numerical data are represented by measurable physical variables, such as electrical signals.类比计算机，模拟计算机：一种用可测物理变量（如电子信号）来代表数据的计算机美国传统〔analogue〕Often analog Of, relating to, or being a device in which data are represented by variable measurable physical quantities. 常作 analog 类比数据的：关于或作为一种仪器，其数据由可测物理变量代表美国传统〔analysis of variance〕An analysis of the variation in the outcomes of an experiment to assess the contribution of each variable to the variation.变异分析：对于实验结果的差别分析，用来估测每个变量对差别的影响美国传统〔analytic geometry〕The analysis of geometric structures and properties principally by algebraic operations on variables defined in terms of position coordinates.解析几何学：通过关于位置坐标表示变量的数学运算对几何结构及性质进行的分析美国传统〔argument〕Computer Science A value used to evaluate a procedure or subroutine.【计算机科学】 自变量，变元：一数值，用于确定程序或子程序的值美国传统〔bilinear〕Linear with respect to each of two variables or positions. Used of functions or equations.二元直线：与两个变量或位置的每一个都有关的直线。用于方程或等式美国传统〔branch〕A sequence of program instructions to which the normal sequence of instructions relinquishes control, depending on the value of certain variables.分支程序：正常指令序列撤回控制时转向的程序指令序列，依赖于某些变量的取值美国传统〔calculus〕The branch of mathematics that deals with limits and the differentiation and integration of functions of one or more variables.微积分学：数学的一个分支，处理单变量或多变量函数的极限、微分以及积分问题美国传统〔conic section〕A graph of the general quadratic equation in two variables.二次曲线：由两个变量的二次方程所决定的图形美国传统〔constant〕All variables except one must be held constant.除了一个变量以外，其他所有变量必须保持恒定。牛津搭配〔control experiment〕An experiment that isolates the effect of one variable on a system by holding constant all variables but the one under observation.对照实验：通过在其它所有变量保持不变的情况下观察一个变量，从而将这一变量在系统中的作用独立出来的实验美国传统〔covariant〕Statistics Varying with another variable quantity in a manner that leaves a specified relationship unchanged.【统计学】 协变的：以使某一特定关系不变的方式与另一变量同时变化的美国传统〔cumulative〕Of or relating to the sum of the frequencies of experimentally determined values of a random variable that are less than or equal to a specified value.累积的：在一个随机变量小于或等于某个固定值的试验中求出频率总数的美国传统〔decrement〕Mathematics The amount by which a variable is decreased; a negative increment.【数学】 减量：可变量减少的数量；负增长美国传统〔degree of freedom〕Statistics Any of the unrestricted, independent random variables that constitute a statistic.【统计学】 自由度：构成一项统计资料的任何一个无限制的，独立的任意变量美国传统〔degree〕The greatest sum of the exponents of the variables in a term of a polynomial or polynomial equation.次数：多项式或多项式方程中变量的幂的最大数美国传统〔delinquency〕Demographic variables have been shown to contribute the most variance in student delinquency.经证实, 人口统计变量是构成学生犯罪差异的最大变量。外研社新世纪〔delta〕Mathematics A finite increment in a variable.【数学】 变量增量：变量的有限增量美国传统〔dependent variable〕Mathematics A mathematical variable whose value is determined by the value assumed by an independent variable.【数学】 应变量：值依赖于自变量的值的数学变量美国传统〔dependent variable〕Statistics The observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables.【统计学】 因变量：在实验或研究中被观察出的变化依赖于一个或多个独立变量的存在或大小的变量美国传统〔derivative〕The instantaneous rate of change of a function with respect to its variable.函数随其变量的即时变化率美国传统〔derivative〕The limiting value of the ratio of the change in a function to the corresponding change in its independent variable.导数：函数相应其自变量的变化率的有限值美国传统〔dichotomous〕The test was used to compare dichotomous variables.这个测试是用来比较二分变量的。剑桥高阶〔differential calculus〕The mathematics of the variation of a function with respect to changes in independent variables.微分：函数变化与独立变量相比较的数学美国传统〔differential〕An infinitesimal increment in a variable.变量无限小的增量美国传统〔differential〕The product of the derivative of a function containing one variable multiplied by the increment of the independent variable.微分：用独立变量乘以含有一个度量的函数，然后对其求导所得的结果美国传统〔discrete variable〕A variable that assumes only whole number values.离散变量：只呈现整数值的变量美国传统〔discriminant function〕A function of a set of variables used to classify an object or event.判别函数：一组变量函数，用于对某物或事件的分类美国传统〔domain〕The set of all possible values of an independent variable of a function.定义域：函数自变量的所有可能值的集美国传统〔expectation〕The expected value of a random variable.期望值：随意可变量的期望值美国传统〔expectation〕The mean of a random variable.随意可变量美国传统〔expected value〕The integral of the probability density function and a continuous random variable over its range of values.期望值：概率函数和超过其值域的随机变量的整数解美国传统〔expected value〕The sum of all possible values for a random variable, each value multiplied by its probability of occurrence.数学期望值：随意可变量各种可能的价值的总额，每一种价值都承认它出现的可能性美国传统〔frequency〕The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.频率：当自变量变化一个单位时，周期函数取同一完整数序的重复次数美国传统〔function〕A variable so related to another that for each value assumed by one there is a value determined for the other.应变量，函数：一个与他量有关联的变量，这一量中的任何一值都能在他量中找到对应的固定值美国传统〔gradient〕Mathematics A vector having coordinate components that are the partial derivatives of a function with respect to its variables.【数学】 斜率：一个矢量，其坐标分量是一个函数对其变量的偏微分美国传统〔gradient〕Physics The rate at which a physical quantity, such as temperature or pressure, changes relative to change in a given variable, especially distance.【物理学】 梯度：一个物理量，如温度或压力，相对于另一给定可变量（尤指距离）的变化的变化率美国传统〔image〕Mathematics A set of values of a function corresponding to a particular subset of a domain.【数学】 像，像点：函数中与某一集合中特定变量相对应的变量美国传统〔increment〕Mathematics A small positive or negative change in the value of a variable.【数学】 增量：变量值微小的正或负增长美国传统〔indefinite number〕A variable number.变量美国传统〔independent variable〕Mathematics A variable whose value determines the value of other variables.【数学】 自变量：决定其它变量数值的变量就是自变量美国传统〔independent variable〕Statistics A manipulated variable in an experiment or a study whose presence or degree determines the change in the dependent variable.【统计学】 自变量：实验或研究中某个可操纵的变量，其存在及值决定其它因变量的变化美国传统〔independent〕Not dependent on other variables.自变数：不受其它变量支配的美国传统〔infinitesimal〕Mathematics A function or variable continuously approaching zero as a limit.【数学】 近零：一个接近于零的函数或者变量美国传统〔invariant〕An invariant quantity, function, configuration, or system.不变量：不变的数量、作用、布局或系统美国传统〔inverse function〕A function that replaces another function's independent variable with a value of its dependent value.反函数：以自己一个因变量值代替另一个函数自变量的函数美国传统〔joint〕Mathematics Involving two or more variables.【数学】 包括两个或多个变量的美国传统〔leading economic indicator〕An economic or a financial variable that tends to move ahead of and in the same direction as general economic activity.主要经济指标：一种趋向发生于主要经济活动之前并且与之向同一方向运动的经济或金融变量美国传统〔microsensor〕A miniature electronic device that detects information about a specific variable such as temperature or light.微感应器，微侦测器：侦测有关某种变量信息，例如温度或光线，的细微电子仪器美国传统〔moment〕Statistics The expected value of a positive integral power of a random variable. The first moment is the mean of the distribution.【统计学】 矩，动差：任意变量的正整数功效的期望值。第一个矩是分配的平均数美国传统〔nonlinear〕Containing a variable with an exponent other than one. Used of an equation.非一次的：包含有一个非一次幂的变量的，用于方程式的美国传统〔nontrivial〕Mathematics Of, relating to, or being an expression in which at least one variable is not equal to zero.【数学】 非平凡的：至少一变量的值不为零的或与此相关的美国传统〔order〕The sum of the exponents to which the variables in a term are raised; degree.序：冥的总称，一项中的变量可依冥增加；级美国传统〔ordinary〕Mathematics Designating a differential equation containing no more than two variables and derivatives of one with respect to the other.【数学】 常的：为微分方程设计的，该方程的变量不超过两个且一个对另一个进行求导美国传统〔parameter〕One of a set of independent variables that express the coordinates of a point.变量，参数：一组代表与之对应的点的独立变量之一美国传统〔partial derivative〕The derivative with respect to a single variable of a function of two or more variables, regarding other variables as constants.偏微商：多变量函数对其中一个变量的微商，其余变量视作常数美国传统〔partial differentiation〕Differentiation with respect to a single variable in a function of several variables, regarding other variables as constants.偏微分法：多变量函数中对其中一个变量进行微分，其余变量视作常数美国传统〔power series〕A sum of successively higher integral powers of a variable or combination of variables, each multiplied by a constant coefficient.幂级数：变量或变量组合的连续高等整幂方的总数，每项与常数系数相乘美国传统〔prime〕One used to distinguish different values of the same variable in a mathematical expression.（在数学表达中用来）区别同一变量的不同值美国传统〔probability distribution〕A function of a discrete random variable yielding the probability that the variable will have a given value.概率分布：对每一个随机变量可能出现的值赋以这个值出现的概率的函数美国传统〔quantic〕A homogeneous polynomial having two or more variables.多元齐次多项式：有两个或多个变量的齐次多项式美国传统〔random variable〕A variable whose values are distributed according to a probability distribution.随机变量：其值根据可能性分布而确定的变量美国传统〔randomize〕To make random in arrangement, especially in order to control the variables in an experiment.随机化：在排列上使成为随机变量，尤指为了控制试验中的变量美国传统〔reference〕A variable in a computer program references a location in memory.计算机程序中的变量引用存储单元。21世纪英汉〔regression〕Statistics The relationship between the mean value of a random variable and the corresponding values of one or more independent variables.【统计学】 回归：随机变量的平均值和相应的一个或多个独立变量的值之间的关系美国传统〔relationship〕Our research will explore the relationships among these variables.我们的研究将探索这些变量之间的关系。牛津搭配〔root〕A number that reduces a polynomial equation in one variable to an identity when it is substituted for the variable.解，根：当代表变量时简化变量中的多项式或方程得出的一个单位元素的数美国传统〔satisfy〕Mathematics To make the left and right sides of an equation equal after substituting equivalent quantities for the unknown variables in the equation.【数学】 （等式两边）满足…的条件：在等式中用等量代换未知变量后使等式的左右两边相等美国传统〔tolerance〕The permissible deviation from a specified value of a structural dimension, often expressed as a percent.允许变量容差：结构长度上允许存在的偏离某一既定标准的误差，常常用百分数来表示美国传统〔trace〕To record (a variable), as on a graph.描记：记录（一变量），如在图表上美国传统〔transformation〕Replacement of the variables in an algebraic expression by their values in terms of another set of variables.变换：以另一套变量置换为一个代数表达式中变量的值美国传统〔vanish〕Mathematics To become zero. Used of a function or variable.【数学】 成零：变成零。用于函数或变量美国传统〔variability〕It is conventional to place the independent variable on the right-hand side of an equation.普遍做法是把自变量放在等式的右边。柯林斯高阶〔variable〕Mathematics Having no fixed quantitative value.【数学】 变量的：没有固定数量值的美国传统〔variable〕The data was analysed according to neighbourhoods, but other key variables like credit rating and marital status were ignored altogether.对这些数据按照所在街区进行了分析，但像信用等级、婚姻状况等其他关键变量则一概忽略不计。剑桥高阶〔variable〕The variables in the equation are X, Y, and Z.方程式中的变量是X，Y和Z。剑桥高阶〔variate〕A random variable with a numerical value that is defined on a given sample space.随机变量：在给定的样本空间内定义的，具有一个数值的随机变量美国传统〔variation〕Mathematics A function that relates the values of one variable to those of other variables.【数学】 变分；变差：把某变量的值与其它变量的值相联系的功能美国传统〔weather〕The state of the atmosphere at a given time and place, with respect to variables such as temperature, moisture, wind velocity, and barometric pressure.天气：给定时间和地点的大气状况，牵涉到变量如温度、湿度、风速和气压美国传统〔zero〕An argument at which the value of a function vanishes.（坐标的）起点：函数自变量的值等于零美国传统Computation involving a large number of variables usually requires a computer.涉及很多变量的计算通常需要用计算机。剑桥国际Temperature and rainfall are variables. 气温和降雨量是变量。译典通 |
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