一类具有时滞和扩散的传染病模型的单稳波,王宇晓,王智诚,本文研究了带扩散的时滞方程[left{egin{array}{ll}racpartial{partialt}u_1left(x,t ight)=d_1 riangleu_1left(x,t ight)-a_{11}u_1left(x,t ight)+a_{12}u_2left(