real-time oporating system

• 实时操作系统

real-time oporating system的用法和样例：

例句

1. A distributed real time operating system is the kernel controlling high performance distributed routers.
   分布式实时操作系统是高性能分布式路由器的控制核心。
2. An example system of the design technology based on RTOS will be present in detail on how to design the control system software in the fieldbus.
   以现场总线基于实时操作系统的开发为例，阐述了怎样开发现场总线的控制系统软件。