说明：  ：VxWorks 实时操作系统在实时嵌入式技术领域应用非常广泛，本文论述了VxWorks 实时操作系统中任务调度的概念、类型，并着重对实时内核的任务调度进行了分析研究。
(VxWorks becomes more and more popular in the field of real-time embedding technique. This paper described the concept and type of kernel scheduling.and it laid great emphasis on the analysis of the kernel scheduling of VxWorks.)