The classification evaluation in desertification ground resource can direct reflected its distributing characteristic, production diversification and potential and soil fertility, so opinion method and level is very important.
沙地资源的分级分类直接反映其分布特点、生产适宜性乃至土壤肥力和生产潜力状况等,因此其分级评价的方法和水平至关重要。
This paper analyzes and researches the existent classification evaluation model,then a new classification evaluation model of statistic data——the classification evaluation model of multiattribute decision-making is put forward,based on mathematical statistic and decision-making theoretics,choosing the classification precision,the quantity of information and classifica.
通过对已有的专题数据分级评价模型进行分析研究,运用数理统计和决策理论,提出一种新的统计数据分级评价模型——多属性决策分级评价模型,即首先,以常用的分级数学模型作为决策方案;然后,选取分级精度、信息量、分级间隔作为方案的属性,用熵法确定各个属性的权重;最后,提出多属性决策分级评价模型,并通过建立的试验系统,进行数据实验。
In the last part, auchors discuss a synthetical classified evaluation of the cultivated land resources in Changqing county.
建立耕地资源分级评价的指标体系。
Research on Risk Graduation Investigation Method in China s Engineering Insurance;
我国工程保险中的风险分级评价方法研究
Comparison Plotting Methods of Appraising Subregion in Farmland Grading of County;
县级农用地分等评价单元划分方法评析
Study on the Environment Risk Assessment and Grade Method for Major Hazard Installations;
重大危险源环境风险评价及分级方法研究
Study on the Methods of Service Classification and Evaluation of the Expressway in Beijing
北京市快速路服务水平分级与评价方法的研究
Economic Valuation of Coastal Zone Resources Based on Their Classification and Gradation
基于分等定级的海岸带资源价值评估方法研究
calibration and evaluation of analytical methods and estimation of performance characteristics(calibration strategy for non-linear second order calibration functions)
对水的性能特性分析方法和评价方法的校准与计算-第2部分：非线性二级校准方程的校准方法
Application of Multi-step Fuzzy Comprehensive Evaluation;
对多级模糊综合评价方法的应用研究
An Evaluation Method of CAI Coursewares;
CAI课件的二级模糊综合评价方法
Fabric Softness Evaluation with BP Neural Network
织物柔软度等级评价的BP网络方法
Evaluating Method for Class A Surfaces Based on Curvature Comb
基于曲率梳的车身A级曲面评价方法
An Analysis of the Competitiveness of the Provincial Governments in West China in Terms of the Target System,Models and Evaluation Methods;
西部省级政府作用竞争力分析——指标体系、模型方法与测度评价
Evaluation method of service-level network security situation based on fuzzy analytic hierarchy process
基于模糊层次分析的网络服务级安全态势评价方法
CRM method of the power supply enterprises based on utility analysis and multi-stage fuzzy evaluation
结合效用分析和多级模糊评价的供电企业CRM方法
The Evaluation Method of Enterprise Competitiveness Based on the Multi-layer Fuzzy Evaluation;
基于多级模糊评判的企业竞争力评价方法
The corrosion-resistant characters, experiment methods of corrosion, and the class of corrosion resistance and its evaluation methods of highmolecular materials are studied.
研究了高分子材料的耐腐蚀特性、蚀试验方法、腐蚀等级及其评价方法。
Application Research of Classification Method on Evaluation Ratepaying Credit Grade;
纳税信用等级评定分类方法应用研究
Study of Credit Rating Method Based on Factor Analysis;
基于因子分析对信用评级方法的研究
The application hierarchical fuzzy synthetic evaluation approach in the assessment of the financial strength of the enterprise;
多级模糊综合层次评价方法在企业财务实力评价中的应用