单项选择题

​习题5.14: 控制系统的时域控制指标不包括：(      )‌

A．上升时间;
B．超调量；
C．峰值时间；
D．采样时间；
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An experimenter wants to separate silver atoms in a Stern-Gerlach experiment by at least 1 cm (a large separation) as they exit the magnetic field. To heat the silver, she has an oven that can reach 1000°C and needs to order a suitable magnet. What should be the magnet specifications? ( )
A．57 T·m
B．39 T·m
C．75 T·m
D．24 T·m
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洛可可设计的高山流水是一款加湿器产品。 A、正确 B、错误
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