At last, according to the virtual water efficiency within eight countries and DEA (Data Envelop analysis) method, the paper makes compare and analysis and also supplies related measure and suggestion.
最后，运用数据包络分析的方法，结合世界上八个国家的虚拟水使用效率，进行了比较分析，同时给出了相关的对策以及建议。
Stemming from the water sieve analysis method, a test method of CPA was proposed.
由水筛法得到启示，提出了一套水泥净浆结粒的检测方法。
The relationships between corrosion of steels and environmental factors in sea water have been studied by grey relational analysis method.
应用灰关联分析方法解析海水环境因素与海水腐蚀性的关系。
应用推荐