理学 软件工程过程模型 释 spiral model 螺旋模型 一种演进式软件过程模型，结合了圆形迭代性质和瀑布模型的系统性和可控性特点，具有快速开发越来越完善的软件版本的潜力。
软件工程 释文 spiral model 螺旋模型
- elite accession
- elite athlte training management
- elite circulation
- Elite Coach Double-Hundred Training Project
- elite cultivar propagation of fruit trees
- elite culture
- elite democracy
- elite education
- Elite Force named “BaiBao Xianbei”
- elite guard
- elite population
- elite reproduction
- Elite Sports Reserve Personnel Training Project
- elite sports team
- elite theory
- elite tree
- elite variety of forest tree
- elitism
- Eli Whitney
- elixirs
- Elizabeth Barrett Browning
- Elizabeth Bishop
- Elizabeth Bowen
- Elizabeth Dowdeswell
- Elizabeth Harrower