 |
| |||
| technology generation | |||
| 技术形成: 17 phrases in 10 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Dermatology | 1 |
| Metallurgy | 5 |
| Plastic surgery | 1 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 1 |
| Telecommunications | 1 |
|
| |||
| technology generation | |||
| 技术形成: 17 phrases in 10 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Dermatology | 1 |
| Metallurgy | 5 |
| Plastic surgery | 1 |
| Shipbuilding | 1 |
| Space | 4 |
| Technology | 1 |
| Telecommunications | 1 |