The annuity method is used to discuss the influence on the cycle of equip-ment renovation under the condition technological progress. 本文运用技术经济学中的年金法,探讨了在技术进步条件下对设备更新周期的影响,给出了设备经济寿命的一般数学模型及最适解的表述形式。
The paper first analystes and points out the relation and characteristic of two main formulas ( annuity, profit ability method) in the profit present value. 本文分析、指出了收益现值法中两个主要公式(年金化法、收益能力法)的内在联系及各自特点。
The full text of the total is divided into the following five parts: The first part introduces the research background and significance of the research literature on domestic and international corporate annuity profile, and introduce the research method and structural arrangements. 全文总分为以下五个部分:第一部分主要介绍选题背景及意义,对国内外企业年金相关研究文献资料进行概况,以及介绍本文的研究方法和研究内容。