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【单选题】
已知单活塞杆液压缸无杆腔有效作用面积是有杆腔有效作用面积的3倍，液压泵供油流量是q，如果将液压缸差动连接，活塞实现差动快进，那么进入无杆腔的流量是（ ）。【图片】
A.
0.5q
B.
1.5q
C.
1.75q
D.
2q
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参考答案：
举一反三
【判断题】连续周期信号的频谱特点包括离散性、谐波性和周期性;
A.
正确
B.
错误
查看完整题目与答案
【简答题】是中国以外唯一保留完整华文教育体系的国家。
查看完整题目与答案
【多选题】连续周期信号的频谱特点有( )
A.
离散性
B.
收敛性
C.
谐波性
D.
周期性
查看完整题目与答案
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 5% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
no change; no change; no change
B.
an increase; an increase; an increase
C.
a decrease; an increase; an increase
D.
an increase; a decrease; a decrease
E.
a decrease; a decrease; a decrease
查看完整题目与答案
【单选题】连续周期信号的频谱特点是( )。
A.
周期连续谱
B.
周期离散谱
C.
非周期连续谱
D.
非周期离散谱
查看完整题目与答案
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 1% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
an increase; a decrease; an increase
B.
an ambiguous change; an increase; a decrease
C.
an ambiguous change; an ambiguous change; an ambiguous change
D.
a decrease; an ambiguous change; an ambiguous change
查看完整题目与答案
【单选题】连续周期信号的频谱特点为()
A.
周期、连续频谱
B.
周期、离散频谱
C.
非周期、连续频谱
D.
非周期、离散频谱
查看完整题目与答案
【判断题】Java中的异常类都继承自java.lang.Throwable类。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】In the specific factors model, a 5% decrease in the price of food accompanied by a 5% decrease in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
no change; no change; no change
B.
an increase; an increase; an increase
C.
a decrease; an increase; an increase
D.
an increase; a decrease; a decrease
E.
a decrease; a decrease; a decrease
查看完整题目与答案
【单选题】windows中改变日期时间的操作( )。
A.
只能在系统设置中设置
B.
只能在“控制面板”中双击“日期/时间”
C.
只能双击“任务栏”右侧的数字时钟
D.
不止一种方法可改变它
查看完整题目与答案
相关题目：
【判断题】连续周期信号的频谱特点包括离散性、谐波性和周期性;
A.
正确
B.
错误
查看完整题目与答案
【简答题】是中国以外唯一保留完整华文教育体系的国家。
查看完整题目与答案
【多选题】连续周期信号的频谱特点有( )
A.
离散性
B.
收敛性
C.
谐波性
D.
周期性
查看完整题目与答案
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 5% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
no change; no change; no change
B.
an increase; an increase; an increase
C.
a decrease; an increase; an increase
D.
an increase; a decrease; a decrease
E.
a decrease; a decrease; a decrease
查看完整题目与答案
【单选题】连续周期信号的频谱特点是( )。
A.
周期连续谱
B.
周期离散谱
C.
非周期连续谱
D.
非周期离散谱
查看完整题目与答案
【单选题】In the specific factors model, a 5% increase in the price of food accompanied by a 1% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
an increase; a decrease; an increase
B.
an ambiguous change; an increase; a decrease
C.
an ambiguous change; an ambiguous change; an ambiguous change
D.
a decrease; an ambiguous change; an ambiguous change
查看完整题目与答案
【单选题】连续周期信号的频谱特点为()
A.
周期、连续频谱
B.
周期、离散频谱
C.
非周期、连续频谱
D.
非周期、离散频谱
查看完整题目与答案
【判断题】Java中的异常类都继承自java.lang.Throwable类。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】In the specific factors model, a 5% decrease in the price of food accompanied by a 5% decrease in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed f...
A.
no change; no change; no change
B.
an increase; an increase; an increase
C.
a decrease; an increase; an increase
D.
an increase; a decrease; a decrease
E.
a decrease; a decrease; a decrease
查看完整题目与答案
【单选题】windows中改变日期时间的操作( )。
A.
只能在系统设置中设置
B.
只能在“控制面板”中双击“日期/时间”
C.
只能双击“任务栏”右侧的数字时钟
D.
不止一种方法可改变它
查看完整题目与答案
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