| Subject | English | Chinese |
| el. | function control protocol | 功能控制协议 |
| el. | function management protocol | 功能管理协议 |
| IT | function protocol layer | 功能协议层 |
| el. | multipoint protocol polling function | 多点协议轮询功能 |
| cryptogr. | one-way function tree protocol | 单向函数树协议 |
| IT | protocol function | 协议功能 |
