New model have better prediction and goodness of fit. 3 short-term flowability indexes are correlated with rating.
新模型在拟合、预测准确率均优于原模型，且有3个流动性指标与评级结果显著相关。
New model have better prediction and goodness of fit. 3 short-term flowability indexes are correlated with rating.
新模型在拟合、预测准确率均优于原模型，且有3个流动性指标与评级结果显著相关。
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