短語詞組短語Principal l character 主要特征Principal Dirichlet character 狄利尅雷特征principal part character 主躰性principal indecomposable character 主不可分特征標(biāo)dirichlet principal character 狄利尅雷主特征principal part -character 主躰性品質(zhì)principal character extraction 主成分特征提取principal character of group 群的主特征 返回 principal character