【摘要】 介绍了粮食安全的概念与内涵,从我国粮食安全的现状与挑战、政策保障、科技支撑、评价监控、生产流通和节约用粮等方面对我国粮食安全体系相关方面的研究进展进行综述。更多还原

【Abstract】 In this paper the concept and connotation of food security was introduced,and advances in food security system of China were reviewed from aspects of current status and challenge,policy guarantee,scientific and technological support,evaluation monitoring,production and distribution and food economization.更多还原