中文摘要：

本文研究了具有不连续源的奇摄动边值问题.利用边界层函数法和缝接法,得到了整个区间上原问题解的一致有效的渐近表达式.

英文摘要：

In this paper,a class of singularly perturbed boundary value problems with discontinuous source terms is considered.Using the method of boundary functions and sewing orbit smooth,the uniformly valid asymptotic expression of the solution is obtained.