service identifier
| packet
| service identifier | |
| comp., net. | 服务标识号 |
| packet | |
| interntl.trade. | 小包; 小包; 袋; 封套 |
| math. | 传输组 |
| met. | 盒; 小件 |
| met. од. | 包 |
| space | 信息 包; 束 |
| |||
| 服务标识号 | |||
|
service identifier : 20 phrases in 6 subjects |
| Computer networks | 2 |
| Electronics | 10 |
| Information technology | 2 |
| Multimedia | 1 |
| Technology | 1 |
| Telecommunications | 4 |