片语
Laddering run纵向脱散
laddering insight梯级洞察
Price Laddering价格梯度法
laddering consumption梯级消费
DNA ladderingDNA laddering is a feature that can be observed when DNA fragments resulting from apoptotic DNA fragmentation are visualised after separation by gel electrophoresi It was first described in 1980 by Andrew Wyllie at the University of Edinburgh Medical School.
Laddering Theory阶梯理论
laddering up步步逼近
soft laddering软式阶梯法