在系统中等待处理的一组或一队列新信息，主调度程序对该队列及其它队列进行扫描，使之顺序进入处理状态。 A queue of new messages(or a group) within a system that are awaiting processing. The main scheduling routine will scan them along with other queues and order them into processing in order.
一种排队方法，按照这种方法，下一个要取出的项是最近进入该队列的项。 A queuing technique in which the next item to be retrieved is the item most recently placed in the queue.