zài / zǎo / qī / jú / yù / wǎng / zhōng / fú / jì / huán / fù / zé / ràng / gè / tái / jì / suàn / jī / yī / cì / chuán / dì / shù / jù在早期局域网中,符记环负责让各台计算机依次传递数据。In early local area networks, the token ring allowed each computer to transmit data in turn.