工学 地理标记语言 释 geographic markup language; GML 地理标记语言 基于可扩展标记语言（XML）的地理信息编码语法规则。
数据库 特种数据库 释文 geographic markup language, GML 地理标记语言
- step allelomorph
- Stepan Gavrilovich Skitalets
- step angle
- Stepanov
- Stepanov almost-periodic function
- Stepan Pavlovich Zlobin
- Stepan Petrovich Schipachev
- Stepan Petrovich Shevyrev
- step-by-step
- step by step analysis
- step-by-step control system
- step by step conversion
- step-by-step integration
- step by step method
- step-by-step method
- step-by-step principle
- step-by-step system
- step characteristics
- step child
- step-counting function
- step curve of cumulative frequencies
- step disturbance
- step-down operator
- step-down ratio
- step-down transformer