摘要
本文系统地阐述了农用拖拉机更新的经济性计算与分析方法,给出了计算的数学模型。据此计算了黑龙江省国营八五二农场东方红-75拖拉机更新的经济性。
<ABSTRACT> In this paper, a method of calculating and analysing the economics of renewing farmtractors was described. The mathematical model of the method was also been developed.According to the model, the economics of renewing tractor Dongfanghong-75 on StateFarm '852' was computed.
关键词
拖拉机
更新
经济性
农用机械
farm tractor
economics of renewal
method of calculating and analysis
