文学 语言演变 释 extension 语言扩展 历史语言学术语，在不同的使用场合有不同的含义。 艺术学 ﹝曲式与作品分析﹞ 释 extension 扩充 作曲技术理论术语。
extension ①广延 ②广延性 ③伸长
＞数理逻辑与数学基础＞模型论＞释义 expansion 扩张 extension 扩张†，延长，外延
理论计算机科学 佩特里网 释文 extension 外延
- social electronic commerce
- social elites
- Social Emergency Command Control System
- Social Emergency Decision Support System
- Social Emergency Management Information System
- Social Emergency Management System
- Social Emergency Resources Support System
- Social Emergency Responding Implement System
- social emotion
- Social Endowment Insurance for Urban and Rural residents
- social engagement theory
- social engineering
- social engineering attack
- Social Entrepreneurship
- social environment
- social environmental monitoring organization
- Social environmental protection project
- social environment assessment of museum development
- Social environment management
- social environment protection
- social equilibrium
- social equity theory
- social estrangement
- social ethic
- social ethics