To send blocks of data alternately to two or more stations on a multipoint circuit 交替地将数据块送往一多端口电路上的多个工作站上。
A flexible , systematic method , centrally controlled , that permits stations on a multipoint circuit to transmit without contending for the line 一种灵活的、系统的集中控制方法,使多站点线路上各站进行传输时不发生争用线路。