您要查找的是不是：
- 环网PROVEN系统ring net POVEN system
- 网network
- 系统system
- 环loop
- 环网ring net
- 系统的systemic
- 高速传输环网系统high-speed transmission ring network system
- 双环网double loop network
- 环网柜ring main unit
- WDM城域环网中支持可变长分组的节点结构及MAC协议设计On the Design of Node Architecture and MAC Protocol for WDM Metro Ring Networks with Variable Length Packets Support
- 基于电压--时间型故障诊断控制器的电缆环网柜供电模式Power Supply Mode by Using Voltage-time Model Fault Detecting Relay in Cable loop-network Cabinet
- 令牌环网token ring network
- WDM双环网WDM double-loop networks
- 双向环网bidirectional network
- 权标环网token-ring network
- 鄂东环网circle network in the east of Hubei
- 死锁环网deadlock loop
- 电磁环网electromagnetic loop network
- 光纤环网fiber optical ring
- 高压环网high pressure ring
