nonnormal error term distribution

例句：

1. 1. The model's performance is significantly non-normal when compared to the data.
   与数据相比，该模型的性能显著偏离正态分布。
2. 2. The researcher found that the distribution of errors was non-normal, which could affect the accuracy of the results.
   研究者发现错误分布是非正常的，这可能会影响结果的准确性。
3. 3. In this study, we analyzed the non-normal error term distribution to identify potential sources of bias.
   在这项研究中，我们分析了非正常误差项分布以识别潜在的偏差来源。