比例控制器的KP值增大，可提高系统的控制精度。（）
查看答案
二阶系统阻尼比=1时，系统有两个不等的负实根（）。
A. 对
B. 错
一阶系统阶跃信号作用下的调节时间随着时间常数T的增大而增大（）。
A. 对
B. 错
一阶系统的阶跃响应没有超调量（）。
A. 对
B. 错
What is the main point of the report?
After being defeated on the battlefield, an attacker from ISIS killed 3 people in Paris.
B. A soidier of the Islamic State went on a bloody shooting to soccer fans in France's national stadium.
C. An attack happened in Southern France killed may people, including a police officer.
D. A police officer's heroic action prevented more deaths and injuries from happening in a terrorist attack.
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