@article{于会录_2399, author = {[于会录, 李飞, 林英华, 崔亚婷]}, title = {国家需求结构演变理论及其应用——以中俄北极合作为例}, publisher = {地理研究}, year = {2021}, journal = {地理研究}, volume = {40}, number = {9}, eid = {2399}, pages = {2399-2425}, keywords = {;国家需求结构演变;需求强度;国家需求曲线;合作空间;中俄北极开发合作}, doi = https://www.dlyj.ac.cn/CN/10.11821/dlyj020201029 }