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
- 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。 - 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。 - Researching on Semimicro Chemical Analysis Experiment With Constant Quantity Instrument
用常量仪器进行半微量化学分析实验的研究 - By introducing the constant strain as another basic unknown quantity besides the rigid displacement at centroid of block elements, the elasticity of bock elements can be considered and the precision are improved.
引入块体的常应变作为基本未知量，从而使计算能够考虑块体的弹性，大大增加了计算的精度。 - 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。 - The basic idea of algorithm is: constant quantity of virtual pheromone spread in the swarm robot system; after each node gets same quantity of pheromone, robot can estimate the system size based on the density of pheromone.
算法的基本思想是：总量恒定的虚拟信息素在整个群体机器人系统中扩散；所有个体持有的信息素量基本相等后，机器人可以根据信息素的浓度估算群体的规模大小。 - 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。 - 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。 - 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；