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| Subject | Russian | English |
| energ.ind. | лицензия на эксплуатацию ядерного реактора без ограничений на проектный срок службы | full-term operating license |
| nucl.phys. | проектный срок службы | installed life (ядерной энергетической установки Iryna_mudra) |
| mech. | проектный срок службы | design lifetime |
| O&G. tech. | проектный срок службы | design life (The design life of a component or product is the period of time during which the item is expected by its designers to work within its specified parameters; in other words, the life expectancy of the item. It is the length of time between placement into service of a single item and that items on-set of wear-out. wiki; источник: словарь Извекова Alexander Demidov) |
| O&G. tech. | проектный срок службы | design life (The design life of a component or product is the period of time during which the item is expected by its designers to work within its specified parameters; in other words, the life expectancy of the item. It is the length of time between placement into service of a single item and that items on-set of wear-out. wiki ; источник: словарь Извекова) |