短語詞組短語alternating interspersion 交替散置long period interspersion 長周期散布;長周期散播short period interspersion 短周期散布interspersion juxtaposition index 散布與并列指數(shù)interspersion of DNA sequence DNA 順序散置Short -period interspersion 短散布序列continued aeon interspersion 長周期分布 返回 interspersion