进程之间以时间片为单位，进行唤醒，调用，当时间片到后，进程就进入等待队列，而且是按优先级进行调用。...

代码说明：

进程之间以时间片为单位，进行唤醒，调用，当时间片到后，进程就进入等待队列，而且是按优先级进行调用。-processes with time-unit, awakened, called when time-to the post, the process would enter the waiting queue, but is carried out according to priority calls.