The Common hamster in Western Europe is a typical inhabitant of cereal fields and was considered a pest species,less......

主要借助螺线特性，对一类含间隙分布时滞的种群增长模型特征方程λ＋c＝d（1＋λT）－n－1e－αλT的稳定性随T变化而改变的情况作了比较完整的分析......