理学 数据库系统设计 释 functional dependency 函数依赖 数据库中一个关系中两组属性之间的约束。
数据库 数据库理论 释文 functional dependence, FD 函数依赖
- droop
- drooping of upper eyelid
- drop
- droperidol
- drop hammer forming
- drop hanger belts
- drop height datum
- drop-in
- drop irrigation
- droplet
- droplet coalescence
- droplet combustion
- droplet digestion
- droplet enrichment
- droplet evaporation
- droplet microfluidics
- droplet microreactor
- dropleton
- dropleton, quantum droplet
- drop letters into the box
- droplet three-electrode system
- drop method
- drop model
- drop of magnetic potential
- Drop on-demand printing