 |
trunk control
| group
| trunk control | |
| el. | 中继线控制; 干线控制; 通道控制 |
| group | |
| gen. | 圈子; 群体 |
| comp., MS | 群組 |
| hydroel.st. | 群; 组 |
| math. | 组，类，群 |
| |||
| 中继线控制; 干线控制; 通道控制 | |||
| trunk control: 12 phrases in 3 subjects |
| Computer networks | 1 |
| Electronics | 9 |
| Space | 2 |