数据库 数据库应用开发 释文 system development life cycle, SDLC 系统开发生命周期
- belt desmosome
- belt drive
- belt dryer
- belt hook
- belting
- belt-nodal theory
- Belt of Orion
- belt of totality
- belt pinch
- belt press filter
- Beltrami
- Beltrami coefficient
- Beltrami coordinate
- Beltrami differential equation
- Beltrami-Enneper theorem
- Beltrami equation
- Beltrami field
- Beltrami formula
- Beltrami identity
- Beltrami interpretation
- Beltrami mapping
- Beltrami method
- Beltrami operator
- Beltrami parameter
- Beltrami pseudosphere