数据库 数据库理论 释文 foreign key 外键
- delayer
- delay factor
- delay fission neutron
- delay fringe frequency
- delay function
- delay generator
- delay line
- delay-locked loop
- delay-locked loop, DLL
- delay of gratification
- delay operator
- delay parameter
- delay resolution
- delay signal
- delays in military personnel and supplies
- delay strategy
- delay system
- delay time
- delay tolerant network
- delay tolerant network, DTN
- delay tracker
- delay tracking
- del bar operator
- delead
- delegation