一般在实际整定调节器时,应尽量使过渡过程不出现振荡,因此,应尽量使衰减速率接近1。
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May I have a glass of beer,please?()一Beer?Sorry,there’s____left,butwould you like some juice instead?
A. none
B. something
C. no one
D. nothing
高处作业现场必须指派专人监护,并坚守岗位。
A. 正确
B. 错误
Which credentials must be entered into the S-Series GUI when joining the Active domain?()
A. the credentials of a privileged account on the Active directory server
B. the credentials of any account on the Active directory server
C. the credentials of the account (created by the S-Series) on the Active directory server when the domain is joined
D. the S-Series administrative account
SCH的动态分配算法中,数据突发在固定的时间片内发送,设臵长的Duration,有以下好处:()
A. 减轻调度过程的负担
B. TCP性能更加优越
C. BS有较多的机会来调整数据传输的速率;
D. 快速功控算法可以有足够的时间使SCH收敛到目标FER