A.19.60;9.24 B.16.30;9.24 C.19.60;6.6 D.16.30;6.6
A.18 B.14 C.12 D.8
A.69 B.76 C.85 D.91
A.αM=0.406;ηN=1.430 B.αM=0.432;ηN=1.430 C.αM=0.450;ηN=1.250 D.αMα=0.485;ηN=1.336
A.Ⅰ、Ⅲ B.Ⅰ、Ⅳ C.Ⅱ、Ⅲ D.Ⅱ、Ⅳ