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【单选题】
干扰作用下,偏离原来平衡状态的稳定系统在干扰作用消失后( )。
A.
将发散离开原来的平衡状态
B.
将在原平状态处等幅振荡
C.
将在偏离平衡状态处永远振荡
D.
将衰减收敛回原来的平衡状态
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