| Subject | English | Chinese |
| proj.manag. | Because this feature complies fully 'with the NNTP protocol, users can use any newsreader client to participate in newsgroup discussions | 由于此功能完全遵守 NNTP 协议、因此用户可以使用任何新闻阅读器客户端来参与新闻组讨论 |
| proj.manag. | To get a great remote user experience, you need a great communications protocol | 要获得巨大的远程用户体验、您需要一个伟大的通信协议 |
| mil., air.def. | transport control protocol/ user datagram protocol | 传输控制协议/用户数据包协议 |
| el. | user agent protocol data unit | 用户代理协议数据单元 |
| telecom. | user agent protocol data unit | 用户代理进程协议数据单元 |
| space | user data protocol | 用户数据协议 |
| IT | user datagram protocol | 用户数据报协议 |
| avia. | user datagram protocol | 〔客〕用户数据编程协议 |
| telecom. | user datagram protocol | 因特网用户数据报协议非可靠的 IP |
| tech. | user datagram protocol | 用户数据协议 |
| multimed. | user datagram protocol | 用户数据包协议 |
| el. | user datagram protocol/Internet protocol | 用户数据报协议/因特网协议 |
| mil., air.def. | user datagram protocol/Internet protocol | 用户数据包协议与互联网协议 Internet 协议 |
| IT | user level protocol | 用户级协议 |
| el. | user location protocol | 用户定位协议 |
| el. | user message protocol | 用户报文协议 |
| el. | user message protocol | 用户信息协议 |
| el. | user message protocol data unit | 用户报文协议数据单元 |
| IT | user protocol conversion | 用户协议转换 |
| space | user protocol interface | 用户协议接口 |
| el. | user protocol unit | 用户协议单元 |
| comp., net. | user-dependent perfect-scheduling multiple access protocol | 基于用户的完美调度多路访问协议 |
| telecom. | user-user protocol | 用户至用户协议 |
| IT | user-user protocol | 用户-用户协议 |
| comp., net. | user-user protocol | 用户_用户协议 |
| avia. | user-user protocol | 用户-用户规程 |