| 1. | A packet network works like the postal system
译文： “包交换”网络类似邮政系统。 |
| 2. | Packet - switched data - transmission service
封包交换数据传输服务 |
| 3. | Packet switched public data network , pspdn
包交换公用数据网 |
| 4. | P - psn public packet switched network
公共包交换网络 |
| 5. | Internetwork packet exchange , ipx
网络间封包交换 |
| 6. | Ppsn public packet - switched network
公共包交换网 |
| 7. | Packet switched data network , psdn
包交换数据网 |
| 8. | Public packet switched network
公共包交换网络 |
| 9. | Public packet - switched network
公共包交换网 |
| 10. | Internet and most packet switched networks are based on ipv4
Internet与大多数包交换网络一样都是建立在ipv4基础上的。 |
