The dissertation comprehensively studied the reclamation of the undeveloped land in Ordos region from the Qing Dynasty to the Republic of China, and analyzed its influences on the local environment.
本文通过对清代到民国时期鄂尔多斯垦殖的全面研究，剖析了农业垦殖活动对该地自然环境的影响。
The recently-formed delta of the Yellow River is the region where there are the lowest rate of reclamation and the richest reserve land resources in shandong province.
近代黄河三角洲是山东省土地垦殖率最低，土地后备资源最丰富的地区。
The recently-formed delta of the Yellow River is the region where there are the lowest rate of reclamation and the richest reserve land resources in shandong province.
近代黄河三角洲是山东省土地垦殖率最低，土地后备资源最丰富的地区。
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