More and more engineers use the RTOS(real time operating system) and software toolkit to develop embedded real time system.

基于RTOS以及各种软件包来开发嵌入式实时系统已经成为主流。

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The software part, which is also as firmware, mainly includes real time operating system (RTOS), MAC application program and C code for interface modules.

软件设计主要是嵌入式系统的固件设计，包括实时操作系统（RTOS），实现MAC功能的程序，接口硬件C程序三部分。

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A kind of design method of microprocessor protection relay apparatus based on real time operating system (RTOS) was introduced in this paper.

介绍了一种基于实时操作系统的微机继电保护装置的设计方法。

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