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
- 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。 - 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。 - 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 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。