随食用农产品质量安全工作不断深入和政府监管力度日益加强，农药残留快速检测方法应用也越来越普及，同时政府管理部门对检测结果的稳......

Parameter identification problem is one of essential problem in order to model effectively experimental data by fractal ......

In this article, we propose a novel, multilevel, dynamic factor model, to determine endogenously clustered regions for t......