T20 「=30 0.4 T40 T50 0.8 0.610 20 30 40 50 60 10 20 30 40 50 60 0 0.2 0.4 0.6 0.8 1 T=20 10 20 30 40 50 60 10 20 30 40 50 60 0 0.2 0.4 0.6 0.8 1 T=30 10 20 30 40 50 60 10 20 30 40 50 60 0 0.2 0.4 0.6 0.8 1 T=40 10 20 30 40 50 60 10 20 30 40 50 60 0 0.2 0.4 0.6 0.8 1 T=50