Because the research of majority real-time scheduling is limited only to the simple system, and the complex real-time multitasksystem is researched very little.
由于目前大多数实时调度算法的研究仅限于简单系统，对复杂的实时多任务系统的研究并不多。
2
The fact is that the BlackBerry was designed to multitask from day one. I think our operating system has constantly been underestimated.
事实上，黑莓一开始就是以多任务为设计取向，我认为我们的操作系统一直被低估了。
3
In order to make the multitask scheduling be realized by system management scheduler of the Operating system, modified solutions for join and fork models are presented.