|
reference materials : 32 phrases in 13 subjects |
| Agriculture | 1 |
| Commerce | 1 |
| Earth sciences | 3 |
| Energy industry | 2 |
| Environment | 1 |
| General | 5 |
| Medical | 1 |
| Metallurgy | 1 |
| Natural sciences | 3 |
| Nuclear physics | 4 |
| Research and development | 3 |
| Technology | 6 |
| United Nations | 1 |