variable quantities中文什么意思

例句与用法

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1. he now called a variable quantity a fluent .
   他现在把变量叫做流。
2. he now called a variable quantity a fluent and its rate of change, the fluxion .
   他现在把变量叫做流，变量的变化率叫做流数。
3. how to vary the two variable quantity of the buck-boost basic circuit on the high frequency switching and whether or not their varying laws are fit for their theoretical conclusion
   高频开关下的buck-boost电路中各个变量的动态变化如何，其变化规律是否与理论上的推导一致。
4. secondly, agreement between the result from the mentioned eigenvalue arithmetic and the result from numerical calculation in the airfoil differential equation with runge-kutta method which obtain the trend of physical variable quantity demonstrate the fact that the assumed model and the given equations are valid
   其次，通过用龙格?库塔的数值方法对微分方程进行迭代，所求出的系统各振动量变化规律和上述算例的特征值对比，结果是一致的。这就验证了建模的合理性和方程推导的正确性。