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通过对宁夏 1996～ 1998年人工造林、更新核查数据统计分析 ,评价近几年宁夏人工造林更新情况。
Through statistics and analysis of artificial afforestation and renewal verification data from 1996 to 1998 in Ningxia, the situation of artificial afforestation in Ningxia was evaluated in recent years.