subplot(2,1,1)是指______的子图。
A. 两行一列的上图
B. 两行一列的下图
C. 两列一行的左图
D. 两列一行的右图
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使用以下命令创建开环传递函数:t;> syms s Gt;> G=10/(s*(s+1)) 算其位置误差系数的语句为______
A. kp=limit(G,s,0)
B. kp=limit(G*s,s,0)
C. kp=limit(G,s,0,'left')
D. kp=limit(G,s,0,'right')
运行以下命令:>> a=eye(5);>> for n=a(2:end,:)……则for循环的循环次数是______。
A. 5
B. 4
C. 3
D. 1
写出下列单词的正确变形1. represent ---______________(n. )2. occupation ---______________(v. )3. transmit ---__________(n. )4. simple ---__________(n. )5. original ---__________(n.)
The following 5 questions are based on this audioReport: Agriculture and Nation This passage is most probably ______.
A. a news item
B. Part of an introduction of a book
C. Part of a lecture.
D. An advertisement