 |
| |||
| radio amplification by stimulated emission of radiation | |||
| |||
| radio frequency amplification by stimulated emission of radiation | |||
| 雷塞: 25 phrases in 15 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Drilling | 1 |
| General | 2 |
| Geography | 1 |
| Latin | 1 |
| Nursing | 2 |
| Otorhinolaryngology | 1 |
| Pharmacology | 5 |
| Space | 1 |
| Surgery | 1 |
| Technology | 5 |
| Textile industry | 1 |
| United Nations | 1 |