中国粮食安全系统转型的时空特征及驱动因素
杨一单, 姚成胜, 刘伟芳
Spatio-temporal evolution characteristics and driving factors of food security system transformation in China
YANG Yidan, YAO Chengsheng, LIU Weifang
地理学报 . 2024, (9): 2372 -2388 .  DOI: 10.11821/dlxb202409014