1·Now,more than 130 managers failed because, in addition to survivorship bias, there's something called backfill bias.
其实失败的经理人超过130位,因为除了生存偏差之外,还有称为回填偏差的影响
2·Looking at this particular group, he estimated survivorship bias to be 4.4% per year and backfill bias to be 7.3% per year.
分析这个特定的样本，他估算其生存偏差每年达到4.4%，回填偏差每年达到7.3%。
3·You've got survivorship bias taking out bad records and then you've got backfill bias adding good records.
生存偏差去掉了那些糟糕的记录,回填误差又加入了一些好的记录
4·So, we're talking about a group of funds that in aggregate probably produced somewhere in the low teens returns and he's got 11.7% per year combined survivorship bias and backfill bias.
因此我们说这组基金总体上，大概产生了略高于10%的收益率，他算出的数字是每年11.7%，结合了生存偏差和回填偏差。
5·Before road works starts, the underground piping works under the road foundation should have already completed and backfill should have also completed according to design requirements.
道路工程施工前，路基下的地管工程应施工完毕，并按设计要求完成土方回填。
1·By an analysis of the backfill tamping problems in drainage pipelines, and after many years of practice, the author has found corresponding measures with good results.
通过对排水管道回填土夯实存在问题的分析，经过近几年的实践找到了相应的措施和对策，并收到了良好的效果。