绿色科技创新在黄河流域生态保护和高质量发展中的价值体现及实现路径
刘贝贝, 左其亭, 刁艺璇

The value and pathways of green technology innovation for ecological conservation and high-quality development of the Yellow River Basin
LIU Beibei, ZUO Qiting, DIAO Yixuan
图5 2009—2017年黄河流域、长江流域专利数对比
Figure 5 The number of patents of the Yellow River Basin and the Yangtze River Basin, 2009-2017