The single-factor model thinks, the rate of return of the stock can be explained with system risk and none system risk together, but it limits the system risk in a factor (such as market index).
单因素模型认为，股票的收益率可以由系统风险和非系统风险联合解释，但它把系统风险限制在一个因素（如市场指数）当中。
The test results indicate that the multivariate factors model is more effective than the single factor model.
经预报检验，考虑多种影响因子的预测模型比只考虑单一影响因子的预测模型效果好。
The test results indicate that the multivariate factors model is more effective than the single factor model.
经预报检验，考虑多种影响因子的预测模型比只考虑单一影响因子的预测模型效果好。
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