development of engine
розробка конструкції двигуна
розробка конструкції двигуна
integrated mine action and development (linking mine action and development)
engine capacity / engine power, engine output
reaction engine / motor (jet engine)
Cooperative Research and Development Agreements (CRADA)
development and maintenance of morale
development of military capability
Joint Capabilities Integration and Development System (JCIDS)
research and development (R&D)