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[期刊论文] 作者：Zhi-hua SUN,
来源：黑龙江科技学院学报 年份：2007
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：Su-jin ZHENG,Si-yu GAO,Zhi-hua SUN,
来源：应用数学学报（英文版） 年份：2020
In recent years,there has been a large amount of literature on missing data.Most of them focus on situations where there is only missingness in response or cova...
Higher Species Diversity Occurs in More Fertile Habitats Without Fertilizer Disturbance in an Alpine
[期刊论文] 作者：WANG Dong,WU Gao-Lin,CHANG Xiao-Feng,SHI Zhi-Hua,SUN Lei,WEI Xue-Hong,,
来源：Journal of Mountain Science 年份：2014
Are there some relationships among species diversity and soil chemical properties of high altitude natural grasslands? Plant community composition and chemical properties of soil samples were compared...
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