method of addition evaluation and evaluation assessing indexes are introduced to compare and discuss how the different fixed property depreciation affects the project plan, and assess the projects scientifically and objectively, it also forms a base for later use 这里选用增量的评价方法和评价指标,进行多方案比较并讨论不同的固定资产折旧方法对方案的影响,对该项目进行科学、客观的评价,为项目中后期的实施奠定基础。