@article{熊友云_965, author = {[熊友云, 张明军, 刘园园, 金爽, 李瑞雪]}, title = {中国粮食产量省区差距变化及其成因分析}, publisher = {自然资源学报}, year = {2009}, journal = {自然资源学报}, volume = {24}, number = {6}, eid = {965}, pages = {965-974}, keywords = {

粮食安全;省区差距;成因;岭回归

}, doi = https://www.jnr.ac.cn/CN/10.11849/zrzyxb.2009.06.003 }