在多元回归模型建立的过程中，由于各个变量的测量单位不相同，多元回归模型无法正确地评估出各个分量对预测值直接的和间接的影响。
The model of multi-regression cannot correctly distinguish the direct and indirect effects from different components in the process of building because the measuring units have differences.
在多元回归模型建立的过程中，由于各个变量的测量单位不相同，多元回归模型无法正确地评估出各个分量对预测值直接的和间接的影响。
The model of multi-regression cannot correctly distinguish the direct and indirect effects from different components in the process of building because the measuring units have differences.
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