A.Q=1.366K(H2-h2)/(lgR-lgr) B.Q=1.366KM(H2-h2)/(lgR-lgr) C.Q=2.73KM(H-h)/(lgR-lgr) D.Q=2.73M(H-h)/(lgR-lgr)
A.Q=0.014h2(h)1/2 B.Q=0.0186h2(h)1/2 C.Q=0.01838h2(h)1/2 D.Q=0.0156h2(h)1/2
A.1m B.2m C.3m D.5m