机译:Obstacles and Countermeasures for Policy-oriented Agricultural Insurance Development in the Context of Agricultural Modernization农业现代化背景下政策性农业保险发展的阻碍和应对措施研究
机译:Study on Liquid Special Fertilizer for Drip Irrigation of Sugarcane and Its Irrigation Mode in Guangxi Lateritic Red Soil Region甘蔗滴灌专用液肥及其在广西赤红壤蔗区灌溉模式研究