网络与数据通信 协议体系与组成结构 释文 open system interconnection, OSI 开放系统互连
- Northern Coalsack
- northern corn leaf blight
- northern corn leaf spot
- Northern Cross
- Northern Dipper
- Northern Dvina River
- Northern Dynasties prose
- Northern Dynasty
- northern elongation
- Northern Engineering & Technology Corporation
- Northern Expeditionary Army
- Northern Expedition Campaign against Liao Dynasty in the Yongxi Era of Song
- northern fur seal
- northern galaxy
- Northern Grottoes
- Northern-Guangdong Subgroup of Tuhua Dialects
- Northern Guangdong tea-picking opera
- Northern-Guangxi Subgroup of Pinghua Dialects
- Northern Han
- northern hemisphere
- Northern Hill Poetry Commentary
- Northern Ireland
- northern Kunqu opera
- northern labrador tea
- northern lapwing