实时系统的正确性不仅依耐系统计算的逻辑结果，还依赖于产生这个结果的时间。实时系统能够在指定或者确定的时间内完成系统功能和外部或内部、同步或异步时间做出响应的系统。-Real-Time Systems (Real-time operating system, RTOS) the correctness of resistance not only in accordance with the logic system to calculate the results, but also produ