master group
| modulation
| master group | |
| space | 主群 |
| modulation | |
| econ. | 调整; 调节 |
| life.sc. | 适应; 调动 |
| life.sc. од. | 调变 |
| met. | 转调; 变换; 缓和 |
| met. од. | 调制 |
| |||
| 主群 | |||
|
master group : 24 phrases in 6 subjects |
| Aviation | 3 |
| Electronics | 11 |
| Information technology | 1 |
| Space | 2 |
| Technology | 4 |
| Telecommunications | 3 |