由化学成分相关系数矩阵表明，烤烟多种化学成分间存在显著或极显著的相关性。
The coefficient correlation matrix of chemical components showed that there was significant or extremely significant correlation among the main chemical components.
另外还提出一种新的对系数矩阵a分块的列分解策略，该策略基于每块的列相关性估计而得出。
In addition we present a new column partition strategy, based on the estimate of column-dependence of each block, to divide the coefficient matrix a.
另外还提出一种新的对系数矩阵a分块的列分解策略，该策略基于每块的列相关性估计而得出。
In addition we present a new column partition strategy, based on the estimate of column-dependence of each block, to divide the coefficient matrix a.
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