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产品寿命周期费用是价值工程理论的一个重要概念。一般认为,寿命周期费用(C)是指从产品的研究、形成到退出使用所需的全部费用。它基本上由两部分组成,一是产品的制造费用(C_1),是指从研制阶段到产品被输送出去为至的制造阶段中所花的费用;二是使用费用(C_2),即用户在使用过程中所要付出的费用,如能源费、维修费等。因此,寿命周期费用可表示为:C=C_1+C_2围绕着寿命周期费用这一概念,有两种观点值得探讨。
Product life cycle cost is an important concept of value engineering theory. It is generally believed that the life cycle cost (C) refers to the total cost required from the research, formation, and withdrawal of the product. It basically consists of two parts. The first is the manufacturing cost of the product (C_1), which refers to the cost incurred during the manufacturing stage from the development stage until the product is delivered; the second is the usage cost (C_2), ie the user The expenses to be paid during the use, such as energy costs, maintenance fees, etc. Therefore, the life cycle cost can be expressed as: C=C_1+C_2 Around the concept of life cycle cost, there are two points worth exploring.