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
- The article focuses on quantity analysis, discussion of using constant quantity instrument to do semimicro chemical analysis experiment.
本文围绕定量分析实验中，利用常量仪器进行半微量化学分析进行探讨。 - 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； - 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。 - 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。 - 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。 - 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。 - 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。 - With the constant high-temperature bonding-agent, the relationship was introduced between the quantity of bonding-agent and strength, porosity, porous diameter, infiltration.
主要研究了高温粘结剂的加入量对制品的强度、平均孔径、孔隙率、渗透性等性能的影响。 - The relation between optimizing rural industrial structure and rural economic constant development is illustrated from the point of quantity and quality.
通过从定性与定量两个角度阐明了农村产业结构优化与农村经济可持续发展的互动关系。 - Though the most rigorous arable land protection system is adopt in China, there are still many problems in the arable land utilization and management, while constant quantity decrease and overall quality degradation represent the major ones.
尽管我国有着世界上最严格的耕地保护制度，但是，当前我国的耕地利用与管理存在诸多突出问题，主要表现为耕地数量不断减少和耕地质量总体水平下降。