Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common.
摘要 ： 在干旱或荒漠地区造林，降雨稀少，
大，加之人力、物力的贫乏等原因，导致造林
活
低。
Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common.
摘要 ： 在干旱或荒漠地区造林，降雨稀少，大，加之人力、物力的贫乏等原因，导致造林活低。
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，
分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
