您要查找的是不是：
- Provider Backbone Transport(PBT) 运营商骨干网传送
- Provider backbone transport 运营商骨干网传输
- Packet Transport Network (PTN) technology includes the Transport Multi-Protocol Label Switching (T-MPLS) and Provider Backbone Transmission (PBT). 分组传送网(PTN)技术包括传送多协议标签交换(T-MPLS)和运营商骨干传送(PBT)。
- Now ASON has found quite a few applications in domestic metropolitan transport networks and provincial backbone transport networks.Beijing Communications has built its metropolitan ASON. 目前，ASON在国内的城域传送网和省级骨干传送网中已经有了少量应用，北京通信构建了ASON城域网。
- provider backbone bridge-traffic engineering PBB-TE
- Application of ASON in Backbone Transport Network 自动交换光网络技术在骨干传送网的应用
- These men are the backbone of the country. 这些人是国家的中坚力量。
- Standing up to bullies takes plenty of backbone. 勇敢地对付暴徒需有大无畏精神。
- The backbone is an articulate structure. 脊椎骨是一种关节相连的结构。
- The goods have been cased up for transport. 货物已装箱待运。
- Please find alternative means of transport. 请另外找一个运输方法。
- Should public transport be subsidized? 公共交通应当受到资助吗？
- The eldest son is the family's only provider. 那长子是唯一挣钱养家的人。
- The transport of goods by air is very expensive. 空运货物费用十分昂贵。
- Agriculture used to be the economic backbone of this country. 农业曾是这个国家的经济支柱。
- I normally travel by public transport. 我出门通常乘坐公共交通工具。
- It takes a bit of nerve to transport explosives. 运输炸药要有点胆量。
- The machines are ready for transport. 机器待运。
- The city must improve its public transport. 该城必须改善其公共交通系统。
- She was in a transport of delight at the good news. 她听到这好消息欣喜若狂。
