forward biased second breakdown

例句：

1. 1. The data was collected with a forward biased sampling method.
   数据收集采用了一种有偏的抽样方法。
2. 2. The model has a forward biased second breakdown in the prediction process.
   该模型在预测过程中存在一个向前偏差的第二级断点。
3. 3. The researcher found that the forward biased second breakdown could lead to misleading results.
   研究者发现，这种向前偏差的第二级断点可能导致误导性的结果。