求翻译：利用SAS数据软件进行主成分分析，计算特征根及对应的特征向量。求得的特征值以及累计方差贡献率如表3所示。是什么意思？

Sas data software for principal component analysis, to calculate the characteristic roots and the corresponding eigenvectors. Obtain the eigenvalues ​​and the cumulative variance contribution rate shown in Table 3.

Use SAS data analysis software to perform the main ingredients to calculate characteristics with the corresponding eigenvector. The characteristic value as well as accumulated variance contribution rates as shown in Table 3.

Carries on the principal components analysis using the SAS data software, the computation characteristic root and the corresponding characteristic vector.Obtains the characteristic value as well as accumulation variance technical progress factor as shown in Table 3.

Principal component analysis using SAS data software, calculating eigenvalues and corresponding eigenvectors of. Find eigenvalues of cumulative variances and contribution rates as shown in table 3.

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