求翻译：此外，考虑工程项目承包商选择的特点，选择方法的实用性、可操作性，运用灰色层次评价法价法，对工程项目承包商的评价和选择进行数学模型分析；并将此方法应用于H医院高级病房楼工程桩基工程的承包商选择中，说明了承包商选择模型的实现过程，验证了模型的实用性和科学性。是什么意思？

In addition, considering the characteristics of the project contractor selection, choose the method of practicality, feasibility, evaluation method using gray-level price method, the project contractor evaluation and selection of a mathematical model analysis; and this method is applied to H senior

In addition, taking into account project contractor selection, choice of methods characteristic of practicality, operability, to use a gray-level appraisal price law, law of project evaluation and selection of contractors for mathematical model analysis; and this method will be applied to H hospital

In addition, considered the engineering project contractor chooses the characteristic, the choice method usability, the feasibility, the utilization pessimistic level appraisal law price law, carries on the mathematical model analysis to the engineering project contractor's appraisal and the choice;

In addition, consider the characteristics of contractor selection, selecting methods of usability, interoperability, the use of grey hierarchy evaluation method, on the mathematical model of evaluation and selection of project contractors; and to use this method to a senior h hospital ward building

In addition, consider the characteristics of contractor selection, selecting methods of usability, interoperability, the use of grey hierarchy evaluation method, on the mathematical model of evaluation and selection of project contractors; and to use this method to a senior h hospital ward building