列（）不属于反馈控制系统的动态过程品质指标。
A.衰减率
B.静差
C.最终稳态值
D.超调量
参考答案：C
-Here are three books on history. Which one would you like to borrow?
-______. You see, I'm interested in geography these days. [ ]
A. All
B. None
C. Both
D. Each
银联卡工程的主要目的是加强（），制定统一的标准，统一运营和资源的优化配置。(三级)
