如同一个人从诞生到死亡的生命过程一样,工业企业的产品,也有一个从研制成功,到投入、渗透、占有和保持市场,直至最后衰退、让位于新的换代产品为止的“生命”运动过程。产品的这一生命过程,称之为产品生命周期。 产品生命周期可分产品使用生命周期和产品经济生命周期两种。前者是相对于产品的使用价值而言,它是以产品的有形磨损或耐用度为尺度的;后者是相对于产品的价值而言,以产品精神磨损或市场保持时间为尺度。由于产品的使用价值和价值是相互依存的,所以产品的使用生命与经济生命具有相当密切的关系。从企业的生产经营 Like the life process of the same individual from birth to death, the products of industrial companies also have a “life” movement from successful research to investment, infiltration, possession, and maintenance of the market to the final recession and to new product replacements. process. This life process of the product is called the product life cycle. Product life cycle can be divided into product life cycle and product life cycle. The former is relative to the use value of the product, and it is based on the physical wear or durability of the product; the latter is relative to the value of the product, based on the mental wear of the product or market maintenance time. Because the use value and value of the product are interdependent, the life of the product has a very close relationship with the economic life. From the company’s production and management