文学 言语产生 释 segment 音段 音段有广义和狭义之分。广义指从话语语流或书面语的材料中抽取出来的语言单元；狭义指语流中任何在物理或听觉上能够识别出的最小的离散单元，如[a]、[p]、[m]等。
segment 段
segment 线段，弧段，截段
segment 体节
计算机应用 计算机辅助设计与图形学 释文 segment 图段
- National Nature Reserve in Neilingding Island-Futian，Guangdong
- National Nature Reserve in Tongguling, Hainan
- National Naval Aviation Museum
- National Negro Convention
- National News Agency
- National Newspaper of Radio, Film and television Excellent Manuscript selection
- National New Technology Telescope
- National Northwest Library
- National Northwest Union University
- National Nuclear Laboratory
- National Nuclear Safety Administration
- national nutrition week
- National Observatory of Athens
- national occupational health standard
- national occupational health standards
- national occupational health supervision and management system
- National Oceanic and Atmospheric Administration
- National Oceanic and Atmospheric Administration（US）
- National Oceanic Resource Management Authority
- National Oceanic Survey
- National Oceanography Centre
- National Office for Planning of Arts and Sciences
- national office for promoting the rise of central China
- National office of Water Conservation
- National Olympic Committees，NOC