基于Malmquist指数法的不同饲养规模生猪生产效率研究——非优势产区和全国的比较
기우Malmquist지수법적불동사양규모생저생산효솔연구——비우세산구화전국적비교
Live Pig Production Efficiency of Different Breeding Scale Based on Malmquist Index Method——Comparision of Non-dominant Areas and the Whole Nation
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