@article{陈瑜琦_469, author = {[陈瑜琦, 李秀彬]}, title = {1980 年以来中国耕地利用集约度的结构特征}, publisher = {地理学报}, year = {2009}, journal = {地理学报}, volume = {64}, number = {4}, eid = {469}, pages = {469-478}, keywords = {

劳动集约度;资本集约度;省工性投入;增产性投入;中

}, doi = https://www.geog.com.cn/CN/10.11821/xb200904009 }