Y-Y1=0.526×0.0014-0=0.001262 Y2-2=0.526×00498-0.0131=0.01309 0.01309-0.001262 0.00506 0.01309 0.001262 0.0131 OG 2.59 0.00506 z=H0e·NOG=1809×259=469m 2021/2/21 上页下及2021/2/21 1 0.526 0.0014 0 0.001262 * Y1 −Y =  − = 2 0.526 0.0498 0.0131 0.01309 * Y2 −Y =  − = 0.001262 0.01309 ln 0.01309 − 0.001262 Ym = = 0.00506 2.59 0.00506 0.0131  NOG = = Z HOG NOG  =  =1.8092.59 = 4.69m