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疑是迄今影响最为深远、 具有里程碑意义的重要成 果之一。胡焕庸在 1935 年发表于 《地理学报》 的 "中 国人口之分布--附统计表与密度图" (胡焕庸, 1935)一文中, 以爱辉-腾冲线为界, 将中国分为人 口密集的东南部和人口稀疏的西北部, 爱辉-腾冲 线
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Stored only when both papers are in the corpus — 2 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.