【单选题】在闭环控制系统控制器参数工程整定中,在纯比例控制规律下,利用出现衰减振荡过程的参数和经验公式,来计算控制器的最佳参数的方法是()工程整定法。
【判断题】使题干因果倒置这样一种反驳是在因果关系反驳中最有力量的。()
【单选题】Which one is NOT a piece of good news for anti-polio campaign?
A.
Many international organizations offer help.
B.
A large amount of money has been received.
C.
Officers ensure that medicine has been taken.
D.
Most people remain suspicious about vaccinations.
【简答题】Amazon is a famous website which sells not only books but also ______.
【单选题】在闭环控制系统控制器参数工程整定中,先将控制器变为纯比例作用,即将()。