differential profit meaning in Chinese

差别利润

The shortcoming of the methods of differential profit and multi - factor comprehensive appraisal is analyzed , and the main thinking and step of gradation by the land price price partition based on spatial clustering is put forward , and an example of shishi city urban land gradation is given
摘要分析了多因素综合评定法、级差收益测算法等城镇土地定级方法的不足，提出了基于空间聚类的地价分区定级法的主要思想和主要步骤，并以石狮市土地定级为例，验证了此方法。
On the basis of the comprehensive analysis of the concept , classification and origin of differential profit of mining , a calculation method for the mining performances of both standard and inferior mines is suggested . a calculation model for differential profit of mining is developed and has been used in a real calculation for a mine district ( where there are eleven pairs of mines )
在综合分析级差矿利的概念、分类、产生的原因基础上，提出了标准开采指标、劣等矿山开采指标等参数的计算方法，给出了级差矿利的测算模型，并对某一矿区( 11对矿井)的级差矿利进行了测算。