皮皮学，免费搜题
登录
搜题
【多选题】
在控制系统中,下列说法正确的是
A.
控制通道时间常数越小，动态偏差越小；
B.
控制通道时间常数越大，动态偏差越小；
C.
扰动通道时间常数越小，动态偏差越小；
D.
扰动通道时间常数越大，动态偏差越小；
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: Hello．This is Mary．I'm calling to see if my blood test results are in. M: Dr. Miller just sent them to the lab last night，so the earliest time they could be back is tomorrow morning． Q: What d...
A.
The results haven't come out yet.
B.
The results were checked again last night.
C.
The woman needs another test tomorrow.
D.
The doctor hasn't come back from the lab.
查看完整题目与答案
【单选题】听力原文：W: Good morning , I'm calling about the job that was in the paper last night. M: Well, could you tell me your name? W: Candidate Foreset. M: Oh yes. What exactly is it that interests you about th...
A.
She could improve her foreign languages.
B.
She could work close to her family.
C.
She could travel overseas frequently.
D.
She could use her previous experiences.
查看完整题目与答案
【判断题】根据《铁路旅客运输办理细则》，客流量较大的车站应设失物招领处。
A.
正确
B.
错误
查看完整题目与答案
【单选题】— Which is your favorite museum? — I think the best museum I like best in Zhongshan is Sun Yet-shen museum.
A.
which
B.
in which
C.
where
D.
that
查看完整题目与答案
【单选题】具有活血凉血、安神作用的药组是
A.
玄参、生地
B.
川芎、赤芍
C.
丹参、郁金
D.
益母草、泽兰
E.
郁金、姜黄
查看完整题目与答案
【单选题】下列各项中,___________和表达式x/=y-4等价。
A.
x=x/b一A
B.
x=x/(y-4)
C.
x=y-4/x
D.
x=x-4/y
查看完整题目与答案
【单选题】听力原文：W: Hello, this is Sarah speaking. M: This is Hilton clinic. I'm calling to remind you of your biannual checkup at 10:00 on Thursday, July the 16th. W: I'm sorry but I have a previous engagement t...
A.
To get a prescription filled
B.
To confirm an appointment
C.
To cancel the appointment
D.
To postponed the appointment
查看完整题目与答案
【单选题】—I'm going to study engineering in Qinghua University tomorrow.
A.
All the best in your study
B.
All the best with your study
C.
All the best in your business
D.
All the best in your new job
查看完整题目与答案
【单选题】New Zealand has an economy and culture similar to its neighbor______but a much smaller land area.
A.
Canada
B.
Ireland
C.
India
D.
Australia
查看完整题目与答案
【单选题】具有活血凉血作用的药组是( )
A.
郁金、姜黄
B.
生地黄、玄参
C.
邵金、丹爹
D.
川芎、赤芍
E.
益母草、泽兰
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Hello．This is Mary．I'm calling to see if my blood test results are in. M: Dr. Miller just sent them to the lab last night，so the earliest time they could be back is tomorrow morning． Q: What d...
A.
The results haven't come out yet.
B.
The results were checked again last night.
C.
The woman needs another test tomorrow.
D.
The doctor hasn't come back from the lab.
查看完整题目与答案
【单选题】听力原文：W: Good morning , I'm calling about the job that was in the paper last night. M: Well, could you tell me your name? W: Candidate Foreset. M: Oh yes. What exactly is it that interests you about th...
A.
She could improve her foreign languages.
B.
She could work close to her family.
C.
She could travel overseas frequently.
D.
She could use her previous experiences.
查看完整题目与答案
【判断题】根据《铁路旅客运输办理细则》，客流量较大的车站应设失物招领处。
A.
正确
B.
错误
查看完整题目与答案
【单选题】— Which is your favorite museum? — I think the best museum I like best in Zhongshan is Sun Yet-shen museum.
A.
which
B.
in which
C.
where
D.
that
查看完整题目与答案
【单选题】具有活血凉血、安神作用的药组是
A.
玄参、生地
B.
川芎、赤芍
C.
丹参、郁金
D.
益母草、泽兰
E.
郁金、姜黄
查看完整题目与答案
【单选题】下列各项中,___________和表达式x/=y-4等价。
A.
x=x/b一A
B.
x=x/(y-4)
C.
x=y-4/x
D.
x=x-4/y
查看完整题目与答案
【单选题】听力原文：W: Hello, this is Sarah speaking. M: This is Hilton clinic. I'm calling to remind you of your biannual checkup at 10:00 on Thursday, July the 16th. W: I'm sorry but I have a previous engagement t...
A.
To get a prescription filled
B.
To confirm an appointment
C.
To cancel the appointment
D.
To postponed the appointment
查看完整题目与答案
【单选题】—I'm going to study engineering in Qinghua University tomorrow.
A.
All the best in your study
B.
All the best with your study
C.
All the best in your business
D.
All the best in your new job
查看完整题目与答案
【单选题】New Zealand has an economy and culture similar to its neighbor______but a much smaller land area.
A.
Canada
B.
Ireland
C.
India
D.
Australia
查看完整题目与答案
【单选题】具有活血凉血作用的药组是( )
A.
郁金、姜黄
B.
生地黄、玄参
C.
邵金、丹爹
D.
川芎、赤芍
E.
益母草、泽兰
查看完整题目与答案