| |||
| 试验性结构 | |||
|
testing structure : 21 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Engineering geology | 2 |
| General | 1 |
| Nautical | 1 |
| Road construction | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 7 |
| |||
| 试验性结构 | |||
|
testing structure : 21 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electricity | 1 |
| Electronics | 1 |
| Engineering geology | 2 |
| General | 1 |
| Nautical | 1 |
| Road construction | 1 |
| Shipbuilding | 1 |
| Space | 3 |
| Technology | 7 |