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【单选题】
在纯比例控制系统中，若调节器的PB调得太小，控制系统的品质指标中将不会发生的变化是（）。A.
静态偏差ε↓
B.
最大动态偏差emax↓
C.
过渡过程时间ts↓
D.
振荡次数N↑
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A.
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B.
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C.
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【单选题】Eradicate (v.) means ______ —In recent years, smallpox has been eradicated—the first time in history that humans have been able to wipe out a disease. —What makes so many people feel they must eradica...
A.
to review
B.
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C.
to regulate strictly
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