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儿童手足口病的数学建模和计算机模拟
李华,刘三红,方奕乐,张兴安
Mathematical Modeling and Computer Simulation on Hand, Foot and Mouth Disease in Children
Hua Li,Sanhong Liu,Yile Fang,Xingan Zhang
表 3
儿童HFMD传播常微分方程模型(注射疫苗)
{
d
S
d
t
=
μ
(
N
−
S
)
−
β
(
(
1
−
q
)
S
+
r
q
S
)
(
I
+
H
)
/
N
+
γ
3
R
,
d
E
d
t
=
β
(
(
1
−
q
)
S
+
r
q
S
)
(
I
+
H
)
/
N
−
α
E
−
μ
E
,
d
I
d
t
=
α
(
1
−
ρ
)
E
−
(
γ
1
+
μ
+
δ
)
I
,
d
H
d
t
=
α
ρ
E
−
(
γ
2
+
μ
+
δ
)
H
,
d
R
d
t
=
γ
1
I
+
γ
2
H
−
(
μ
+
γ
3
)
R
.