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
- Conclusion Administration with CIA has advantage of steady speed, constant quantity, and stable drug consumption in unit time and this method of administration is security, reliability, convenient and effective.
结论采用CIA给药具有恒速、恒量，单位时间内用药量稳定的特点，是一种安全可靠、简便有效、省时省力的给药方法。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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； - 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。 - 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。 - 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。