但是，多年以来，学者们对黄河的研究多集中于黄河的泥沙情况、河道变迁和水利变化等问题，而对黄河名称的由来论述甚少。
But for a long time past, the study on the river by scholars chiefly focused on the state of its silt, and the changes in its course and irrigation, with little discussion about its appellation.
泗河水系河道变迁的主要因素是黄河夺泗和南北大运河的开发。
The key factors involved in the changes in the Sihe river system are the invasion of the Yellow river and the opening of the Grand Canal.
泗河水系河道变迁的主要因素是黄河夺泗和南北大运河的开发。
The key factors involved in the changes in the Sihe river system are the invasion of the Yellow river and the opening of the Grand Canal.
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