许多评估师或熟练评估技术的人员都知道，在资产评估活动中，人们运用成本法、市场法、收益法三种基本的评估刘进行资产评估，特别是在机器设备的评估中，运用最广泛的莫过于成本法和市场法，而收益法则往往被人们所忽视其原因不外乎人们对企业或资产在未来时期的收益难以预测 Many appraisers or skilled appraisers know that in the asset appraisal activities, people use the three basic appraisals of cost, market and income methods to evaluate assets, especially in the evaluation of machinery and equipment. The most widely used Than the cost method and the market method, and the law of income is often overlooked because of the reason that people’s business or assets in the future earnings are difficult to predict