短語詞組短語biased sampling 偏性抽樣;[數(shù)]有偏抽樣;樣本偏差length biased sampling [數(shù)]長度偏倚抽樣density biased sampling 密度偏差抽樣length -biased sampling 長度偏倚;持續(xù)期間偏差抽樣biased sampling models 有偏模型biased sampling method 偏性抽樣法common biased sampling 通有偏取樣;普通有偏取樣biased random sampling 基於偏好的隨機(jī)抽樣 返回 sampling bias