|
obscuration : 60 phrases in 23 subjects |
| Astronautics | 7 |
| Astronomy | 1 |
| Business | 1 |
| Chemistry | 1 |
| Chromatography | 1 |
| Clinical trial | 1 |
| Electronics | 2 |
| Firefighting and fire-control systems | 1 |
| General | 3 |
| Geophysics | 1 |
| Makarov | 1 |
| Medical | 4 |
| Military | 17 |
| Nanotechnology | 2 |
| Ophthalmology | 1 |
| Pharmacology | 3 |
| Pharmacy and pharmacology | 3 |
| Physics | 1 |
| Quantum electronics | 1 |
| Radioengineering | 4 |
| Scientific | 1 |
| Technology | 2 |
| Telecommunications | 1 |