理学 数据库系统 释 data dependency 数据依赖 关系数据库中同属一个关系模式的多个属性之间的约束关系。数据依赖在计算机科学中有多个含义，此处仅限于关系数据库中的数据依赖。
数据库 数据库理论 释文 data dependence 数据依赖
- virucide
- virulence
- virulent phage
- virulent strain
- Virunga National Park
- virus
- virus analysis
- virus attack
- virus-based pesticide
- virus budding
- virus diseases of marine crustaceans
- viruses of plants
- virus-free nursery tree
- virus-free plants
- virus-free seedling
- virus hepatitis examination
- virus host
- virus-induced gene silencing vector，VIGS
- virus induction
- virus infection technology
- virus infectious diseases
- virus like particle,VLP
- virus-mediated transformation
- virusoid
- virus-resistant genetically modified fragnant tobacco PK-873