backup ring
英 [ˈbækʌp rɪŋ]
美 [ˈbækʌp rɪŋ]
垫（保护）圈；支承环
双语例句
- Network self healing is also realized in a network employing backup routings and a unidirectional double ring network by the self healing mechanism controlled by the control and management unit.
在WDM光实验网中，利用节点控制管理单元的自愈控制功能，实现了线路保护倒换和二纤单向环形网络复用段的自愈保护。 - By unique backup port selection, it can avoid unnecessary transmission path switching on repeated failure point and ring recovery, so that self-healing can be achieved seamlessly.
它通过独特的备份端口选取，可以避免传输路径的不必要切换，对重复故障点和环网恢复，可以实现无缝自愈。