<div style="line-height: 150%">中国基础研究论文时空分布演变与政策研究</div> <div style="line-height: 150%">—

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俞立平1，程凯林1，庞如超2

The Evolution of China’s Basic Research Papers in Time and Space and Policy Research:

Reflections on Papers Published in Mainland China

情报理论与实践 . 2021, (5): 44 .