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
- An automatic constant pressure glue feeding device ensures proper viscosity and good quantity of the adhesive tape.
自动恒压给胶装置保证了胶粘带粘度合适，质量优良； - 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。 - For n pentanol, the composition of the products remained constant when the quantity of sodium was enough.
对正戊醇而言，钠的用量达到一定量时，还原产物的组成近似恒定。 - 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。 - In this paper, we put forward a constant quantity method of selecting coal layer with fuzzy classification by means of coal deposit factors and so on.
采用模糊划分（软划分）法，按煤层赋存等因素，给出选择煤层回采工艺的定量方法。 - 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。 - Reasonable temperature control of strict science is key that the constant temperature cold storage assurance merchandise stores the quantity.
规范合理，严格科学的温度控制是恒温冷库保证商品储藏质量的关键。 - But with the constant increase of amount of information and user quantity, the bandwidth bottleneck of Internet is more and more serious, at the same time the security question of the information transmission is outstanding day by day too.
但随着信息量和用户量的不断增大，互联网的带宽瓶颈越来越严重，同时信息传输的安全性问题也日益突出。 - Basing on the permeating power of helium through glass, we have derived the dynamic equation for the pressure of He in a He-Cd laser and the replenishing equations for replenisher of He at constant temperature and constant quantity.
根据玻璃渗氦特性，导出了氦&镉激光器氦气压动态方程，氦补充器恒温补充方程和恒量补充方程。 - 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。