... 0 .2 0.4 0.6 0.8 1.0 −5 15 10 15 10 15 t Effects of a on C(t) a=0.5 a=1 a =2 −5 Effects of K on I(t) 0.0 0.1 0 .2 0.3 0.4 0.5 t Effects of r on I(t) r=0.5 r=1 r =2 0.1 0 .2 0.3 0.4 K=0.5 K=1 K =2 0.0 ... Effects of tm on I(t) 15 tm=0 tm=5 tm=10 −5 10 15 10 15 t Effects of a on I(t) a=0.5 a=1 a =2 0 .2 0.1 0.0 0.0 0.1 0 .2 0.3 10 t Effects of tm on C(t) −5 I(t) r=0.5 r=1 r =2 0.3 C(t) 0.0 0 .2 0.4 0.6 ... ❙t♦❝❤❛st✐❝ ❙■❘ ♠♦❞❡❧ β ∼ γ ∼ δwds ∼ δsph ∼ φ ∼ S0 ∼ R0 ∼ ◆✭1, 1✮ ◆ 2, 0.5✮ ◆✭0.4, 0 .2 ◆✭0.5, 0.1✮ ◆✭0.5, 0 .25 ✮ ◆✭4560000, 25 00✮ ◆ (24 000, 120 0) ...