1)digression;mention in passing,题外话2)keyword out-of-context (KWOC),题外关键词3)keep to the record,不扯到题外4)keyword out-of-context index (KWOC index),题外关键词索引5)k.w.o.t.,标题外检索字6)KWOT Key Word Out of Title,标题外关键词7)Extrapolation Calculation of Initial Value Problems,初值问题外推算法
