Experimental results have shown that the system features precise speed control and simple design as compared to the sensing circuit controlled by T-typeproportional speed regulation valve.
试验结果表明，与比例三通调速阀控制的敏感回路相比，该系统速度控制精度高，结构简单。
2
This could be the basis for an angle PD(proportional/derivative) control algorithm, which has been proven to work well for this type of system.
这将是角度环PD（角度/微分）控制算法的基本参数。 此算法被证实能有效应用于这类系统。
3
Problems were introduced in the use of pressured proportional foam mixer. The notice of its design and type selection was discussed also. Its advantages were described in fire control.