摘要
对熟知的微分方程第一比较定理和第二比较定理作了改进和补充,得到了几个新结论。
This paper has improved and Supplemented the well—known First and Second Comparison Theorems of differential equation. And some new comparison theorems have been obtained.
关键词
微分方程
比较定理
differential equation, comparison theorem
