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【单选题】
任何投资都要求对承担的风险进行补偿,证券投资组合要求补偿的风险包括市场风险和公司特有的风险。( )
A.
正确
B.
错误
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【简答题】某单调谐放大器如图例2—3所示,已知f0=465kHz,L=560μH,Q0=100,N12=46圈,N18=162圈,N45=13圈,晶体管3AG31的Y参量如下:gie=1.0mS,goe=110μS,Cie=400pF,Coe=62pF,yfe=28∠340°mS,yre=2.5∠290°μS。 试计算: (1)谐振电压放大倍数|Kv0|; (2)通频带; (3)回路电容C; (4)回路插入...
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【简答题】ABC 分析法又称排列图法
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【简答题】已知某已电容器电容 C = 100 μF,如图所示:(1)电容电压uc由开始按50V/S直线上升,则i= 。( 2)电容器电压为220V恒定不变,则i= 。
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【简答题】已知某电容器的电容C=0.159μF,接在电源电压U=100V的交流电路中,求f=1000Hz时的无功功率。
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【单选题】Mr.Smith will pay a visit to Beijing this autumn. ____ we will enjoy the OLympic Games in 2008.
A.
where
B.
when
C.
which
D.
how
查看完整题目与答案
【单选题】Mr. Smith will pay a visit to Beijing this autumn, ____ we will enjoy the Olympic Games in 2008.
A.
where
B.
when
C.
which
D.
that
查看完整题目与答案
【判断题】ABC分类法又称重点管理法或ABC分析法。( )
A.
正确
B.
错误
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【单选题】Why will Google give investment?
A.
to help small and medium size businesses grow and reduce poverty
B.
to improve public services
C.
to help two climate change programs
D.
All of the above are right
查看完整题目与答案
【单选题】Mr. Smith will pay a visit to Beijing this autumn, ________ we will enjoy the Olympic Games in 2008.
A.
where
B.
when
C.
which
D.
how
查看完整题目与答案
【单选题】Mr. Smith will pay a visit to Beijing , ________ we will enjoy the Olympic Games .
A.
where
B.
when
C.
which
D.
how
查看完整题目与答案
相关题目:
【简答题】某单调谐放大器如图例2—3所示,已知f0=465kHz,L=560μH,Q0=100,N12=46圈,N18=162圈,N45=13圈,晶体管3AG31的Y参量如下:gie=1.0mS,goe=110μS,Cie=400pF,Coe=62pF,yfe=28∠340°mS,yre=2.5∠290°μS。 试计算: (1)谐振电压放大倍数|Kv0|; (2)通频带; (3)回路电容C; (4)回路插入...
查看完整题目与答案
【简答题】ABC 分析法又称排列图法
查看完整题目与答案
【简答题】已知某已电容器电容 C = 100 μF,如图所示:(1)电容电压uc由开始按50V/S直线上升,则i= 。( 2)电容器电压为220V恒定不变,则i= 。
查看完整题目与答案
【简答题】已知某电容器的电容C=0.159μF,接在电源电压U=100V的交流电路中,求f=1000Hz时的无功功率。
查看完整题目与答案
【单选题】Mr.Smith will pay a visit to Beijing this autumn. ____ we will enjoy the OLympic Games in 2008.
A.
where
B.
when
C.
which
D.
how
查看完整题目与答案
【单选题】Mr. Smith will pay a visit to Beijing this autumn, ____ we will enjoy the Olympic Games in 2008.
A.
where
B.
when
C.
which
D.
that
查看完整题目与答案
【判断题】ABC分类法又称重点管理法或ABC分析法。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why will Google give investment?
A.
to help small and medium size businesses grow and reduce poverty
B.
to improve public services
C.
to help two climate change programs
D.
All of the above are right
查看完整题目与答案
【单选题】Mr. Smith will pay a visit to Beijing this autumn, ________ we will enjoy the Olympic Games in 2008.
A.
where
B.
when
C.
which
D.
how
查看完整题目与答案
【单选题】Mr. Smith will pay a visit to Beijing , ________ we will enjoy the Olympic Games .
A.
where
B.
when
C.
which
D.
how
查看完整题目与答案
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