 |
| |||
| average lifetime (ресурс, срок службы) | |||
| mean age | |||
| mean longevity; mean survivorship; ML (mean life) | |||
| average life; mean life | |||
| mean lifetime | |||
| |||
| medium-lived | |||
| средняя долговечность: 22 do fraz, 7 tematyki |
| Elektronika | 1 |
| Hutnictwo | 1 |
| Kontrola jakości i standardy | 5 |
| Olej i gaz | 1 |
| Ropa / ropa naftowa | 10 |
| Systemy gaśnicze i kierowania ogniem | 1 |
| Technika i technologia | 3 |