 |
| solar: 557 phrases in 32 subjects |
| Agriculture | 4 |
| Astronautics | 3 |
| Astronomy | 57 |
| Chemistry | 1 |
| Communications | 3 |
| Construction | 10 |
| Earth sciences | 32 |
| Economy | 4 |
| Electronics | 51 |
| Energy industry | 116 |
| Environment | 52 |
| Fish farming pisciculture | 1 |
| General | 46 |
| Health care | 3 |
| Hobbies and pastimes | 1 |
| Industry | 4 |
| Law | 2 |
| Life sciences | 92 |
| Lighting other than cinema | 3 |
| Materials science | 2 |
| Mechanic engineering | 1 |
| Medical | 30 |
| Metallurgy | 3 |
| Name of organization | 1 |
| Natural sciences | 16 |
| Patents | 2 |
| Physical sciences | 4 |
| Radio | 4 |
| Satellite communications | 1 |
| Scientific | 1 |
| Technology | 4 |
| Transport | 3 |