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特征根估计
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特征根估计
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理学
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释
eigenvalue estimation
特征根估计
在主成分分析中,将一系列可能相关的变量通过正交变化转化成一系列线性无关的变量(称为“主成分”),涉及矩阵特征分解,得到特征根的过程,可用于计算累积贡献率来确定选取多少个重要的主成分。
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soil actinomycetes
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soil adhesive
soil-adjusted vegetation index,SAVI
soil adsorption
soil adsorption isotherm
soil aeration
soil ages
soil aggregate fractionation
soil aggregates
soil air
soil air sampler
soil algae
soil alkalinity
soil alkalinization
soil amelioration
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soil analysis
soil and atmospherically resistant vegetation index,SARVI
Soil and Fertilizer Sciences in China
soil and health
soil and rock erosion
soil and stone material
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