搜索筛选:
搜索耗时2.9420秒,为你在为你在102,285,761篇论文里面共找到 1 篇相符的论文内容
类      型:
[期刊论文] 作者:HE Wei-lian, 来源:商丘师范学院学报 年份:2007
In this paper,we consider a nonautonomous competitive system with feedback controls and toxic substance.Some average couditions for the permanence and global at...
相关搜索: