因此，改变水泵性能曲线成为水泵节能的主要方式。
Therefore, the change pump performance curves become the main form of energy-saving pumps.
把这种相互关系的变化规律，综合绘制成几条曲线来表示，这就是水泵性能曲线。
The relationship between such changes in the law integrated into a number of curves drawn to indicate that this is the pump performance curve.
在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
通过对离心式水泵高效工作区的性能曲线进行二次拟合，分析了离心式水泵机组并联调速运行特性。
The parallel-connection and variable-speed operation characters of the centrifugal pump groups are studied by conics fitting of the character curves in the high efficiency area.
MATLAB的出现又使离心式水泵的性能曲线绘制达到了更加快速、准确、直观。
And with the appearing of MATLAB, it makes the drawing of the centrifugal water pump performance curve more fast, exact and audio-visual...
他们之间的量值变化关系用曲线来表示，这种曲线就称为水泵的性能曲线。
They change relations between the money that used to curve, such as water pumps on the curve of the performance curve.
他们之间的量值变化关系用曲线来表示，这种曲线就称为水泵的性能曲线。
They change relations between the money that used to curve, such as water pumps on the curve of the performance curve.
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