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【简答题】
影响系统稳态误差的因素包括:( )、开环增益、输入信号的形式和幅值。
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【判断题】将物料在间歇操作釜式反应器的反应时间与在连续操作管式反应器的停留时间的计算式相比,可以看出在恒温恒容过程时是完全相同的。
A.
正确
B.
错误
【简答题】Unit 4 Homework Underline the topic sentence in the following paragraphs. Paragraph one The high school students often have to study deep into the night, and their parents become worried. The parents ...
【简答题】basic context resource journal special effective revise passion assign engage query improve 9. Without a ____, it is not easy to understand and translate the sentence.
【判断题】在连续操作管式反应器中,在正常情况下,它是连续定态操作,故在反应器的各处截面上,过程参数不随时间而变化
A.
正确
B.
错误
【单选题】(2016·新课标全国II卷文综·29)1930年,鄂豫皖革命根据地英山县水稻单位面积产量增加二三成,有的甚至达到五成,出现“赤色区米价一元一斗,白色区一元只能买四五升”的情况。这主要是因为根据地( )
A.
农民生产的积极性高涨
B.
红军英勇奋战保卫农民生产
C.
政府主要精力用于增产
D.
人民打破国民党的经济封锁
【单选题】SPI是指电控( )汽油喷射系统;
A.
缸内
B.
缸外
C.
多点
D.
单点
【简答题】basic context resource journal special effective revise passion assign engage query improve Without a ____, it is not easy to understand and translate the sentence.
【简答题】translate the following sentence into chinese. Finally, after meetings, assign credit or blame to the person in charge.
【单选题】She found it hard to engage with office life.What is the meaning of ‘engage with’in the sentence?
A.
to take part in sth;
B.
build relationship with
C.
draw somebody’s attention
D.
assign somebody to take the job
【单选题】The sentence assign m_out=(select)? A : B; if select=B=0, A=1, then m_out=( )
A.
0
B.
1
C.
x
D.
z
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