问题
单项选择题
当积分调节作用达到稳定时,偏差为()。
A.最小
B.等于零
C.最大
答案
参考答案:B
当积分调节作用达到稳定时,偏差为()。
A.最小
B.等于零
C.最大
参考答案:B
阅读对话,请将下列人物与其所拥有的东西选起来。 | ||
A: Morning, everyone. I'm Bill. I'm a boy. I have a blue baseball. B: Hi, my name is Jenny. This is my watch. It is new. C: Hi, I'm Tony. My mother gives me a nice clock for my birthday. D: Hey. That is my English book. I am Nick. E: Hello. I am Frank. I have an eraser. It is on the desk. | ||
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