A new equipment for simulated the performance of propeller load is introduced in this paper, it's an all digital DC torque servo system using torque closed loop and current closed loop control.

介绍一种新型的螺旋桨特性负载模拟装置，它是全数字控制的直流转矩伺服系统，采用转矩电流双闭环控制方式。

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This is a introduction to the Pulse Current electrolytic machining of forging die equipment using low density compound electrolyte, and examples are also given.

介绍了使用低浓度复合电解液，锻模的脉冲电流电解加工的设备及加工实例。

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Electrolytic rate is more than 99%, average current efficiency is 20.17% using the improved equipment.

采用改进后的设备，电积率在99%以上，平均电流效率为20.17%。

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What is more, according to Dr Hergenrother, all of this is possible using current chip-making equipment and processes.

ECONOMIST: Transistors: A tall story | The