基于随机前沿模型的农业生产技术效率研究——来自甘肃省定西市马铃薯生产的数据"
기우수궤전연모형적농업생산기술효솔연구——래자감숙성정서시마령서생산적수거"
Study on Agricultural Production Technical Efficiency Based on Stochastic Frontier Model-Taking Potato Data from Dingxi City, Gansu Province for Example