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dc(t)/dt+a根号[c(t)]=kr(t),则该描述系统微分方程可判断为()

单选题
2022-03-23 20:33
A、线性定常系统
B、线性时变系统
C、非线性定常系统
D、非线性时变系统
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正确答案
C

试题解析

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