жизненный цикл продукции(Этап от начала разработки продукции до её устарения (срока действия, технологии). The stage that a product passes through from development to decline until it becomes obsolete Interex)
этапы реализации проекта(The Project Life Cycle refers to the four-step process that is followed by nearly all project managers when moving through stages of project completion. This is the standard project life cycle most people are familiar with. The Project Life Cycle provides a framework for managing any type of project within a business. mavenlink.comAlexander Demidov)
