Results: the improvement method can make up the traditional method the inconvenient, may fast accurately definite split-ranging characteristic.
结果改进方法能够弥补传统方法的不足，可以快速准确地确定分程特性。
2
Objective: To improve definite method of control valve split-ranging characteristic in split-ranging control system and provide an easy method for Determination.
前言：目的对分程控制系统中调节阀分程特性的确定方法进行改进，提供一种简捷的确定方法。
3
To this problem, the variable-frequency speed regulation and flow regulation split-ranging coordinated control of the centrifugal pump for energy saving is given.