基于灰色数列G（1，1）模型的中国谷物自给率预测与分析

罗红燕, 冉清红, 魏朝富, 谢德体, 岳云华

Discussion on Self-sufficient Rate of Grain in China based on the Grey Series G (1, 1) Model

LUO Hongyan, RAN Qinghong, WEI Chaofu, XIE Deti, YUE Yunhua

. 2009, (5): 844 -852 .