中文摘要：

讨论了一类具分段连续时滞的高维微分系统的周期解的存在唯一性和全局渐近稳定性,得到了新的实用的判别条件,推广或改进了文[2-4,6,9]的相关结果..

英文摘要：

The existence, uniqueness and globally asymptotic stability of periodic solutions for a class of higher dimensional differential systems with piecewise continuous delays are discussed. Some effective results are obtained. Meanwhile, the results in this paper improve and extend the corresponding ones of papers [2-4,6,9].