本文的前两个部分以史料为主，介绍孤竹国建立与衰亡的过程及其疆域变迁、孤竹故城地理考证。
Based on the historical data, documents and local chronicles of related places, the paper introduces and makes some textual research on the kingdom's history.
本文的前两个部分以史料为主，介绍孤竹国建立与衰亡的过程及其疆域变迁、孤竹故城地理考证。
Based on the historical data, documents and local chronicles of related places, the paper introduces and makes some textual research on the kingdom's history.
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