stage-area
| method
| stage area | |
| tech. | 舞台区 |
| method | |
| gen. | 法; 标准; 水平 |
| environ. | 方法 |
| hydroel.st. од. | 方法 |
| mech. | 电火花法 |
| |||
| 舞台区 | |||
|
stage-area : 8 phrases in 4 subjects |
| Aviation | 1 |
| Oceanography & oceanology | 1 |
| Space | 1 |
| Technology | 5 |