SIRS模型 SIRS model ; SIS model

sirs模型 epidemiological models of sirs ; model of sirs

时延SIRS模型 delayed SIRS model

sirs流行病模型 sirs epidemiological model ; sirs epidemiological models

SIRS传染病模型 SIRS infectious disease model

一个SIRS传染病模型 AN SIRS EPIDEMIC MODEL