(01) FINAL TIME  = 100
 Units: Month
 The final time for the simulation.

(02) INITIAL TIME  = 0
 Units: Month
 The initial time for the simulation.

(03) SAVEPER  =
         TIME STEP
 Units: Month [0,?]
 The frequency with which output is stored.

(04) TIME STEP  = 1
 Units: Month [0,?]
 The time step for the simulation.

(05) 为患病人口=
  人口总数-患病人口
 Units: **undefined**
 
(06) 人口总数=
  100
 Units: **undefined**
 
(07) 患病人口= INTEG (
  感染率,
   10)
 Units: **undefined**
 
(08) 感染率=
  为患病人口*患病人口*每次接触的感染率*额定感染率
 Units: **undefined**
 
(09) 每次接触的感染率=
  0.1
 Units: **undefined**
 
(10) 额定感染率=
  0.02
 Units: **undefined**