电路网络法建模可以通过看电路图直接写出其传递函数形式的数学模型，键图法可以很容易地将机械转动系统的键图绘制出来。
The circuit network modeling method can directly write out a mathematical model in the form of its transfer function through reading its circuit diagram.
当你想要使用机械操纵系统操纵主机时，必须转动手柄到应急位置。
When you want to manoeuvre the main engine by the mechanical manoeuvring system, it is necessary to turn the handle to the "emergency" position.
此法对各种以转动为输入量的机械系统具有普遍意义。
This method is of universal significance for mechanical systems with rotation input.
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