- 协议书 xiéyìshū contracta written legal document or formal agreement between parties detailing specific terms
- 网络协议 wǎngluòxiéyì network protocol
- 地址解析协议 dìzhǐjiěxīxiéyì ARPaddress resolution protocol, a communication protocol used for discovering the link layer address associated with a given internet layer address
- 控辩协议 kòngbiànxiéyì plea bargainplea bargain (law)
- 简单网络管理协议 jiǎndānwǎngluòguǎnlǐxiéyì SNMPSimple Network Management Protocol, a standard protocol for managing devices on IP networks.
- 网络层协议 wǎngluòcéngxiéyì network layer protocol
- 许可协议 xǔkěxiéyì licensing agreementlicensing agreement (for intellectual property)
- 超文本传送协议 chāowénběnchuánsòngxiéyì HTTPhypertext transfer protocol (HTTP)
- 路由协议 lùyóuxiéyì routing protocolrouting protocols
- 中俄边界协议 Zhōng'ébiānjièxiéyì Sino-Russian agreementSino-Russian Border Agreement of 1991
- 达成协议 dáchéngxiéyì reach agreementto reach an agreement
- 保密协议 bǎomìxiéyì confidentiality agreementA legal contract between parties to protect shared information from public disclosure; non-disclosure agreement (NDA).
- 加密套接字协议层 jiāmìtàojiēzìxiéyìcéng SSLSecure Sockets Layer (SSL) (computing)