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
- oysters
- oyster shell
- Oyster strain "Huanan 1"
- oz
- Ozaki Hotsuki
- Ozanam
- O. Zariski
- O. Zariski (1899—1986)
- Ozark Plateau
- Ozawa Mitsuru
- Ozbek costume
- ozena
- Ozette Indian Village Archeological Site
- O-Z integral equation
- Ozma project
- ozokerite
- ozonation
- ozonation disinfection in water
- ozone
- ozone catalytic oxidation
- ozone concentration observation apparatus
- ozone depletion
- ozone depletion potential
- ozone depletion substance
- ozone detector