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土壤全氮分析
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土壤全氮分析
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理学
全氮分析
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soil total nitrogen analysis
土壤全氮分析
能测定的土壤样品中氮含量的总和,包括有机氮(如蛋白质、氨基酸、核酸、尿素等)、硝态氮、亚硝态氮以及铵态氮,还包括部分联氮、偶氮和叠氮等含氮化合物的方法。
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variance
variance analysis
variance analysis of one-way grouping data
variance analysis of subgroup data in group
variance analysis of two-way data
variance-balanced block design
variance between classes
variance between clusters
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variance component models
variance-covariance analysis
variance-covariance component estimation
variance-covariance matrix
variance-covariance propagation law
variance estimation
variance functon
variance inflation factor
variance matrix
variance of an estimator
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