A、Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(1)0=2Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(2)0,m>Km><m>subm>>1m>subm>>0=m>Km><m>subm>>2m>subm>>0 B、Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(1)0=2Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(2)0,m>Km><m>subm>>1m>subm>>0=(m>Km><m>subm>>2m>subm>>0)2 C、Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(1)0=Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(2)0,m>Km><m>subm>>1m>subm>>0=(m>Km><m>subm>>2m>subm>>0)2 D、Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(1)0=Δ<m>subm>>rm>subm>>G<m>subm>>mm>subm>>(2)0,m>Km><m>subm>>1m>subm>>0=m>Km><m>subm>>2m>subm>>0