A symbol ( like x or y) that is used in mathematical or logical expressions to represent a variable quantity. 用在数学或者逻辑表达式里代表一个可变量的符号(如x或者y)。
In fact premium is the equilibrating price variable, equating the quantity of options supplied with the quantity of options demanded. 实际上,期权费是一种使期权供应数量与期权需求数量相等的均衡价格变量。
So, remember, if you have a function of one variable, that means you have a quantity that depends on one parameter. 如果你有一个一元函数,那意味着你有一个依赖于一个参数的量。
He now called a variable quantity a fluent. 他现在把变量叫做流。
He now called a variable quantity a fluent and its rate of change, the fluxion ( veterinary medicine) infestation with coccidia. 他现在把变量叫做流,变量的变化率叫做流数。(兽医)出现大量球虫。
While seeding and harvest in a large portion of the province was challenging due to excessive moisture, the crop that was harvested was variable in terms of quality and quantity. 虽然在全省大部份的播种和收获是具有挑战性的由于过多的水分,这是收获的作物在质量和数量方面的变量。
A variable is a quantity to which an unlimited number of values can be assigned. 变量是一个可以有无限数值的量。
The results show that the rational range of variable output is between the quantity of output when marginal cost is lest of all and the quantity of output which is decided by marginal cost when it equals the expected price of the product in market. 分析结果表明。可变产量的理性产出范围应在最小边际成本所对应的产出量到边际成本与产品的预期价格相等所对应的产出量之间。
This article tries to research the event which is translated from random variable into sequence statistical quantity by making use of the distributing of the sequence statistical quantity. 初步探讨将具有某些性质的以随机变量为出发点的事件转化为以顺序统计量为出发点的事件,利用顺序统计量的分布来研究这些问题。
Thus, the volume distribution of the Chinese young male bodies were determined and a binary regression equation that could immediately calculate the segmental volume of the Chinese young male bodies were set up, in which the body weight and stature were acted as independent variable quantity. 进而确定了中国男性青年人体体积的分布,并据此建立了以身高、体重为自变量的直接计算中国青年人体各环节体积的二元回归方程。
The main function of welding control module is current sampling, digital filtering, computing current effective value, while PID control module mainly processes AD conversion value and computes the variable quantity of pilot angle of SCRs and re-adjusts the angle. 焊接控制模块主要实现电流采样、数字滤波、计算电流有效值,PID控制模块主要对电流的A/D转换值进行计算,最终得到控制角的变化量,重置晶闸管控制角。
The exponential analysis method in the statistical principle is studied by using infinitesimal calculus method, and the more precise method for different forms of alteration and variable quantity in exponential analysis method is put forward. 应用微积分方法对统计学原理中的指数分析方法进行了研究,提出了对指数分析法中的变量变动的不同形式进行更为精确他测定的方法。
Variable electric charge quantity and photon materialize reasoning 粒子的电荷量可变与光子物质化的推测
Regulating Technique of Air Conditioning System with Fixed Water Flow and Variable Air Quantity 浅析空调定水流量变风量调节技术
Taking an actual project as the example, this paper introduces the energy saving effect of the regulating technique of fixed water flow and variable air quantity, analyses economic benefit and flexibility of frequency control and valveless thermoregulator of indoor fan-coil. 以一实际工程为例,介绍了定水流量变风量调节技术的节能效果,分析了变频调节和室内风机盘管的无阀控制温控器的经济效益和可行性。
The article discusses variable quantity calculation method of such parameters as earth's area, volume and radius in the earth expansion stage. The means that how to evaluate numerical value of the earth expansion by actual data explains and lines up relative calculating formulae. 讨论了地球膨胀阶段的地球表面积、体积、半径等参数的改变量计算方法,对如何根据实际资料求取地球膨胀的数值等技术手段作出说明,列出相关计算公式。
Because the brake clearance is influenced by axis moving, the swing of disk brake, its result is a variable quantity. 提升机闸瓦间隙大小受到轴窜、偏摆等的影响,所以其值是一个动态变化的量。
This paper put forward the scheme applying modern control theory-state variable quantity observation and control to boiler's main steam temperature control system as well as parameter tuning method. 提出了把现代控制理论的状态变量观测与控制系统理论应用于主汽温度控制系统的方案和参数整定方法。
Research on Electric Control of Variable Quantity Water Supply for Tall Building 高层建筑变水量供水电气控制系统
How to vary the two variable quantity of the Buck-boost basic circuit on the high frequency switching and whether or not their varying laws are fit for their theoretical conclusion. 高频开关下的Buck-boost电路中各个变量的动态变化如何,其变化规律是否与理论上的推导一致。
Power and solidarity relation being all variable quantity, as time going on, the deepening associating or change of emotion, the use of address will change too. 由于权势和同等关系都是可变的量,随着时间的推移、交往的深入或者情感的变化,称呼语的使用也会发生变化。
The logical function which has a variable quantity greater than 6 can be refered to as high variable logical function. 变量个数大于6的逻辑函数可以称为高变量逻辑函数。
Equation of Axisymmetrical Ring Shells with Variable wall Thickness in Complex Quantity and Its General Solution 变壁厚轴对称圆环壳的复变量方程及其一般解
But because the design variable, restricting condition and computing quantity is too huge, the structure optimizing design of the high building cannot open out effectively. 但是,由于设计变量、约束条件、计算量过于庞大的原因,高层建筑的结构优化设计并未有效的展开。
The correlation analysis between 0-1 variable and quantity categorical variable (0&1)变量与定量、定性变量间的相关分析
Comparative analysis of the impact of the variable injection starting pressure and the variable fuel injection quantity on fuel injection rate measurement was made. 对比分析了变启喷压力对喷油速率测量的影响;变喷油量对喷油速率测量的影响。
To cash flow financial early-warning real example application of method, paper adopt single variable analyze and changeable quantity analyze method, changeable quantity analyze, adopt Multiple Discriminant Analysis ( MDA) method return to ( Logistic) method with plural logic among them. 对现金流量财务危机预测实证方法的运用,本文采取了单变量和多变量的分析方法,其中多变量分析采用多元线性判定的方法和多元逻辑回归方法。
Human capital is an important variable quantity, introduced to economic growth of research, which has extremely vital significance. 人力资本作为一个重要的变量被引入经济增长的研究,有十分重要的意义。
The research in the relationships between shareholding structure of listing corporation and operating performance has been a classical question concerned by domestic and international scholars, However, due to the differentiation of samples, targets, variable quantity and methods, many research conclusion are inconsistent. 上市公司股权结构和经营业绩之间关系研究一直是国内外学者关注的经典问题,但由于样本、指标、变量以及方法的差异化,众多研究结论并不一致。
In the 21st century, globalization has becoming the important variable quantity and phenomenon, especially the big background and theme of this century. 21世纪,全球化日益成为人类社会生活中重要的变量与现象,更是成为21世纪的大背景和大主题。