- 关贸总协定 Guān Mào Zǒngxiédìng GATTGATT, the General Agreement on Tariffs and Trade
- 关税与贸易总协定 Guānshuìyǔ Màoyì Zǒngxiédìng GATTGeneral Agreement on Tariffs and Trade
- 档案传输协定 dàng'ànchuánshūxiédìng File Transfer ProtocolFile Transfer Protocol (FTP)
- 网际协定 wǎngjìxiédìng Internet protocolThe principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.
- 贸易协定 màoyìxiédìng trade agreement
- 超文件传输协定 chāowénjiànchuánshūxiédìng HTTPthe communications protocol used to transmit hypertext documents over the World Wide Web
- 超文本传输协定 chāowénběnchuánshūxiédìng HTTPa communications protocol used for transmitting hypermedia documents on the World Wide Web
- 路由协定 lùyóuxiédìng routing protocol
- 中苏解决悬案大纲协定 Zhōng Sūjiějuéxuán'àndàgāngxiédìng Sino-Soviet treatythe treaty of 1923 normalizing relations between the Soviet Union and the Northern Warlord government of China
- 通讯协定 tōngxùnxiédìng communication protocol(Tw) (computing) communication protocol
- 传输控制协定 chuánshūkòngzhìxiédìng TCPtransmission control protocol