 |
| 稳定 条件: 56 phrases in 17 subjects |
| Agriculture | 3 |
| Automobiles | 1 |
| Aviation | 1 |
| Bridge construction | 2 |
| Business | 6 |
| Desert science | 1 |
| Earth sciences | 3 |
| Economy | 2 |
| Electric machinery | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| Finances | 1 |
| Information technology | 1 |
| International trade | 1 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 25 |
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