variable quantity
英 [ˈveəriəbl ˈkwɒntəti]
美 [ˈveriəbl ˈkwɑːntəti]
变量（数）
英英释义
noun
- a quantity that can assume any of a set of values
双语例句
- 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。 - 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 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。 - 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 - 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。 - 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 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。 - 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。 - 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。