例如、已知 kr=0.1A=103时： 则T=Akr=103×0.1=102 A103 4=1+7=1+10 =9.909 当 A=104时： T=Ak=104×0.1=103 A104 A =9.989 1+T1+103例如、已知 3 k f = 0.1 A = 10 时： 3 2 则 T = Akf =10 0.1 =10 9.909 1 10 10 1 2 3 = + = + = T A Af 当 4 A = 10 时： 4 3 T = Akf =10 0.1 =10 9.989 1 10 10 1 3 4 = + = + = T A Af