不定项题自动控制系统种类很多，按系统的反应特性可分为（）。A恒值控制系统B随动控制系统C连续控制系统D断续控制系统
不定项题
自动控制系统种类很多，按系统的反应特性可分为（）。
A
恒值控制系统
B
随动控制系统
C
连续控制系统
D
断续控制系统
参考解析
解析：
自动控制系统按系统的反应特性分类，分为连续控制系统（又分为线性控制系统、非线性控制系统）和断续控制系统（又分为采样控制系统、开关控制系统）。
考点
自动控制系统
考点
自动控制系统
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