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
- root reduction and oxidation ability
- root restriction
- Roots
- Roots and Branches
- roots blower
- root search movie
- root-seeking literature
- root separation
- roots fan
- root sheath
- root shift method
- root-shoot ratio
- root sign
- Roots mechanical supercharger
- roots of an algebraic group
- root solver
- root space
- root space decomposition
- root-square-mean fluctuation of deflection angle of suspended coil galvanometer
- root-squaring method
- root-stability
- root statistic
- rootstock
- rootstock nursery
- root subgroup