系统软件 语言与编译 释文 Backus-Naur form, BNF 巴克斯-诺尔范式
- fire statutes and regulations system
- Firestone Agreement
- fire supervising
- fire supervision and inspection system
- fire supervision technical equipment
- fire suppression device
- fire technology and engineering
- fire telephone system
- fire test
- fire triangle
- fire tube boiler
- fire tube type heater
- fire vehicle access
- fire ventilation
- fire wall
- firewall
- fire watchtower
- fire water
- fire weather rating
- fire whirl
- fire wireless three level network
- firewood
- firewood kiln
- Fireworks
- fireworks and firecrackers