理学 系统设计 释 design specification 设计规约 对软件或其组成成分（模块）的内部结构、模块能力及其相关约束的描述，需要满足系统需求规约所指定的全部功能及非功能要求。
软件工程 释文 design specification 设计规约
- Young Companion
- Young Companion Publishing Company
- Young crater
- Young criterion
- Young Designers' Exhibition
- Young diagram
- Young diagram and Young tableau
- Young Dick Massacre
- Young double slit
- younger brother succeeding his elder brother’s throne
- Younger Dryas
- Younger Dryas event
- younger orthograph
- Young experiment
- Young Faustina
- young fish
- young girl-old woman illusion
- Young-Helmhilfz trichromatic theory
- Young Hero Yulai
- Young inequality
- Young integral
- Young John Allen
- Young King
- Young-Kortweg formula
- Young lattice