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
- product control characteristic
- product cycle
- product data exchange
- product data management
- product data management, PDM
- product data model
- product defect
- Product Design
- product design
- product development performance evaluation
- product deviation
- product dewatering flowsheet design
- product diagram
- product directed set
- product disposal
- product distribution
- product engineering
- product equation
- producter's risk
- product evaluation
- product event
- product expansion
- product filtration
- product form
- product formation rate