在经济学中,M<sub>1</sub>是指()
A、现金和一切形式的储蓄存款
B、现金或通货
C、现金与商业银行的活期存款
D、近似货币
A、现金和一切形式的储蓄存款
B、现金或通货
C、现金与商业银行的活期存款
D、近似货币
A、只有M<sub>1sub>启动后,M<sub>2sub>才能启动 B、M<sub>1sub>、M<sub>2sub>都运行时,接下SB<sub>12sub>时,M<sub>1sub>、M<sub>2sub>均会停止 C、M<sub>1sub>、M<sub>2sub>都运行时,只有M<sub>2sub>停止以后,才能停止M<sub>1sub> D、M<sub>1sub>可以单独启动、停止操作
A、n=2,L=2,m<sub>1sub>=0,m<sub>2sub>=1/2 B、n=3,L=1,m<sub>1sub>=-1,m<sub>2sub>=-1/2 C、n=1,L=2,m<sub>1sub>=1,m<sub>2sub>=1/2 D、n=1,L=0,m<sub>1sub>=1,m<sub>2sub>=-1/2
A、M<sub>2sub>>(M<sub>1sub>+M<sub>3sub>)/2 B、M<sub>2sub>=(M<sub>1sub>+M<sub>3sub>)/2 C、M<sub>2sub>与(M<sub>1sub>+M<sub>3sub>)/2大小无关 D、M<sub>2sub>≦(M<sub>1sub>+M<sub>3sub>)/2
A、d<sub>1sub>=m<sub>a1sub>q B、d<sub>1sub>=m<sub>nsub>q C、d<sub>1sub>=m<sub>a1sub>Z<sub>1sub> D、d<sub>1sub>=m<sub>nsub>Z<sub>1sub>
A、对任一台电动机都能独立启动和停止 B、启动时M<sub>1sub>先于M<sub>2sub>,停止时亦如此 C、启动时M<sub>1sub>先于M<sub>2sub>,停止时顺序相反 D、启动时M<sub>2sub>先于M<sub>1sub>,停止时顺序相反
A、M<sub>1sub>=M<sub>2sub>=M<sub>0sub> B、M<sub>1sub>=M<sub>2sub>=2M<sub>0sub> C、M<sub>1sub>=M<sub>2sub>=1/2M<sub>0sub> D、M<sub>1sub>+M<sub>2sub>=2M<sub>0sub>
A、r<sub>1sub>=r<sub>2sub>=0,L<sub>1sub>=L<sub>2sub>=M=0 B、r<sub>1sub>=r<sub>2sub>=0,L<sub>1sub>=L<sub>2sub>=M=∞ C、r<sub>1sub>=r<sub>2sub>=∞,L<sub>1sub>=L<sub>2sub>=M=0 D、r<sub>1sub>=r<sub>2sub>=∞,L<sub>1sub>=L<sub>2sub>=M=∞
A、m1=m2 B、α<sub>1sub>=α<sub>2sub> C、m1=m2α<sub>1sub>=α<sub>2sub> D、m1=m2=mα<sub>1sub>=α<sub>2sub>=α
A、-(2RT/F)ln(γ<sub>±,1sub>m<sub>1sub>/γ<sub>±,2sub>m<sub>2sub>) B、-(2RT/F)ln(γ<sub>±,2sub>m<sub>2sub>/γ<sub>±,1sub>m<sub>1sub>) C、-(RT/F)ln(γ<sub>±,1sub>m<sub>1sub>/γ<sub>±,2sub>m<sub>2sub>) D、-(RT/F)ln(γ<sub>±,2sub>m<sub>2sub>/γ<sub>±,1sub>m<sub>1sub>)
A、m<sub>1sub>≥m<sub>2sub> B、m<sub>1sub>>m<sub>2sub> C、m<sub>1sub>≤m<sub>2sub> D、m<sub>1sub><m<sub>2sub>