提出了一种能对稠油族组成与粘度进行较好关联的多元线性模型，其复相关系数为0.9885。
A new multivariate linear model was proposed to associate viscosity and group composition of heavy oil. Multiple correlation coefficient of the model is 0.9885.
企业集团规模不断增大，产权关系日益多元化，关联企业的数量不断增多，形式日新月异。
The scale of the enterprise groups enlarge continuously. Property relations are increasingly diversifying and the number of affiliated enterprises is growing with different changes.
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