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【判断题】
比例控制过程的余差与控制器的比例度成正比A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】质点在有心力作用下运动时,力的作用线始终通过一固定点(力心),该力对力心的 为零,质点的 守恒。
A.
力 , 动量
B.
力,动量矩
C.
力矩 , 动量
D.
力矩,动量矩
【单选题】Which of the following sentences is a transition in the speech?
A.
Let’s pause for a moment to summarize what we have found so far.
B.
I will focus on three solutions.
C.
Now that we have seen how serious the problem is, let’s look at some solutions.
D.
The first cause is inefficient agricultural products.
【单选题】Topical order results when you divide the speech topic into , each of which becomes a main point in the speech.
A.
different topics
B.
main topics
C.
subtopics
D.
subtopic
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