[计] 不可变控制

irrevocable control的用法和样例：

例句

The MultiVariable Control function can be used to vary the setpoint using a second process transmitter's 4-20maA signal into AI1or AI3.可变控制方式通过第二传感器可适时修正设定点，从而形成三段不同且连续的控制区域。
Optimal control theory often dictates that nonlinear time varying control law be used, even if the basic system is linear and time-invariant.即使系统是线性定常的，最优控制理论通常给出非线性时变控制律。

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