hidden variable

例句：

1. 1. In the study of genetics, hidden variables can greatly affect the results.
   在遗传学研究中，隐藏变量可以极大地影响结果。
2. 2.The researchers found that the hidden variable was responsible for the observed differences in performance.
   研究人员发现，隐藏变量是导致观察到的性能差异的原因。
3. 3. To improve the accuracy of their model, the scientists need to consider more hidden variables.
   为了提高模型的准确性，科学家们需要考虑更多的隐藏变量。