The main research method is statistical analysis method.
主要研究方法是统计分析。
For the last 30 years, the multi statistical analysis method has been greatly advanced.
近30年来,多元统计分析方法有了长足的进步,涌现出不少新方法、新技术。
The statistical analysis method has been proved to be effective by practical application.
通过实际应用证明该统计分析方法是行之有效的。
应用推荐