A、a<sub>1sub>f<sub>csub>bx<f<sub>ysub>A<sub>ssub> B、a<sub>1sub>f<sub>csub>bx>f<sub>ysub>A<sub>ssub> C、a<sub>1sub>f<sub>csub>bx=f<sub>ysub>A<sub>ssub> D、a<sub>1sub>f<sub>csub>bx≦f<sub>ysub>A<sub>ssub>
A、f<sub>cusub>=m<sub>fsub>+1.645S B、f<sub>cusub>=m<sub>fsub>-1.645S C、f<sub>cusub>=m<sub>fsub>-0.645S D、f<sub>cusub>=m<sub>fsub>+0.645S
A、S<sub>fsub>>S<sub>psub>>S<sub>s sub> B、S<sub>ssub>>S<sub>psub>>S<sub>fsub> C、Sp<sub>fsub>>S<sub>ssub>>S<sub>fsub> D、S<sub>fsub>>S<sub>ssub>>S<sub>psub>
A、F<sub>fsub>>G<sub>ssub> B、F<sub>fsub>=G<sub>ssub> C、F<sub>fsub><G<sub>ssub> D、F<sub>fsub>≤G<sub>ssub>
A、P=3U<sub>msub>I<sub>msub>cosφ B、S=3U<sub>msub>I<sub>msub> C、Q=U<sub>1sub>I<sub>1sub>sinφ D、S=E:S=3U<sub>Isub>
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、f=f<sub>ssub> B、f<sub>ssub><f<f<sub>Psub>1500;1500; C、f>f<sub>Psub>1502; D、f<f<sub>ssub>1500;