Structural characteristics of the inter-city (district) patent technology flow network in the Beijing-Tianjin-Hebei region.
收藏NIAID Data Ecosystem2026-05-02 收录
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资源简介：
Structural characteristics of the inter-city (district) patent technology flow network in the Beijing-Tianjin-Hebei region.
创建时间：
2024-06-27
