user port
| function
| user port | |
| IT | 用户端口 |
| function | |
| gen. | 运行; 工作 |
| hydroel.st. | 作用 |
| interntl.trade. | 效用; 职能 |
| light. | 功能，用途 |
| math. | 运算 |
| met. | 功用; 用途 |
| |||
| 用户端口 | |||
|
user port : 9 phrases in 4 subjects |
| Electronics | 2 |
| Hydroelectric power stations | 1 |
| Information technology | 3 |
| Technology | 3 |