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
- left mean
- left measure
- left member
- left module
- left monotonicity
- left monotonic law
- left monotonic operation
- left morphism
- leftmost derivation
- leftmost path
- left-most square
- left multimodule
- left multiple
- left multiplication
- left multiplication ring
- left multiplicative group
- left neutral element
- left neutrino
- left Noetherian ring
- left nonsingular bilinear form
- left-non-singular bilinear form
- left nonsingular form
- left nonzero divisor
- left nucleus
- left null object