constant quantity
英 [ˈkɒnstənt ˈkwɒntəti]
美 [ˈkɑːnstənt ˈkwɑːntəti]
恒量；常数
英英释义
noun
- a quantity that does not vary
双语例句
- Extension of the linear concentration rules at constant partial molar quantity φ_i
偏摩尔量φi恒定条件下线性浓度规则的扩展 - If you have a quantity which is constant over any closed path, that quantity is a thermodynamics state function.
如果有一个物理量，对任何闭合回路积分是常数，这个物理量就是一个热力学态函数。 - It is indicated that the frequently occurring cancer region lacks or severely excessively has some kinds of small quantity of elements, apart from serious pollution of water and soil and anomalous constant quantity of composition.
表明癌症高发区除水土严重污染，许多常量成份出现异常外，一些微量元素还明显缺少或严重超量。 - The constant of electrostatic charge decay time is an important physical quantity that can describe the electrostatics property of materials.
静电衰减时间常数是定量描述材料静电性能的重要物理量，可以通过测量静电电荷衰减时间达到测量静电的目的。 - The addition of drag reduction agent improves transport capacity greatly, reduces transport cost, makes flexible transport of oil possible and reduces bearing pressure of old pipeline in constant flow quantity.
减阻剂的使用大大提高了管道运输的能力，降低了运输成本，使得油品弹性运输成为可能，减小了恒定流量老化管道承受的压力。 - It describes system hardware structure, operation process and controlling means, and how to control with harmony between these devices in detail. It realizes constant voltage automatic control supporting water, and improves the quantity of supporting water.
详细论述了系统硬件结构、操作流程和控制方法，以及各器件之间的协调控制方法，实现了对供水的恒压自动控制，提高了供水质量。 - In water supply system, water supply in constant pressure means that terminal pressure keeps constant all the time when the quantity of dispended water varies.
在供水系统中，恒压供水是指在供水网系中用水量发生变化时，出口压力保持不变的供水方式。 - And that implies that since the quantity we want is given by this quantity, which is zero times a constant, the quantity we want is also zero.
因为我们需要的量，是由这个量乘以一个常数，因为这个量是零，因此我们需要的量也是零。 - Working principle of the control circuit is presented, expressions for calculating constant current value of its coil and constant current surplus quantity are derived and calculating expressions of clamping voltage and current break protecting time of the circuit are also given.
介绍了该控制电路的工作原理，导出了其线圈恒流值计算式和恒流裕量计算式，并给出了该电路的钳位电压和停车断电保护时间计算式。 - This model assumes a different discount rate between high growth stage and constant stage by means of forecasting corporation's future free cash flow quantity. The total discount value is the internal value of enterprise.
该模型是通过预测企业未来各年份的股权自由现金流量，利用高增长时期和稳定增长时期不同的贴现率进行贴现，它们的贴现值总和即为企业的内在价值。