中国城市创新能力的时空差异及影响因素：专利与商标视角
王帮娟, 刘承良, 方远平
Spatio-temporal differences and influencing factors of urban innovation capacity in China: A perspective on patents and trademarks
Wang Bangjuan, Liu Chengliang, Fang Yuanping
地理科学
.
2026, (9): 2087
-2099
.
DOI: 10.13249/j.cnki.sgs.20250648
