【摘要】 考虑一类具有无限时滞的变系数积分微分方程：ｘｉ（ｔ）＝ｘｉ（ｔ）ａｉ（ｔ）－ｂｉ（ｔ）ｘｉ（ｔ）＋ｎｊ≠ｉ∫ｔ－∞ｋｉｊ（ｔ，ｓ，ｘｊ（ｓ））ｄｓｉ＝１，２，…，ｎ（１）所决定的互助生态系统，关于其一致持久性我们获得一些有意义的结果．更多还原

【Abstract】 Considers model governed by a class of functional differential equations with infinite delay: i(t)=x i(t)a i(t)-b i(t)x i(t)+? 苮nj≠it-∞k ij (t,s,x j(s)) d s i=1,2,…,n(1)we obtain the following interesting condition that is sufficient for uniform persistences.更多还原