短語詞組短語fractional distillation 分餾fractional precipitation [化]分段沉澱；分步沉澱fractional share 不足一股的股份;不足一股的零碎股票;[金融]零星股份;不敷一股的股份fractional numeral 分數(shù)詞fractional index 分數(shù)指數(shù)fractional number [數(shù)]分數(shù);分數(shù);分數(shù)蓡數(shù)fractional dissolution 分級溶解;分步熔解fractional exponent 分數(shù)指數(shù);分式指數(shù);分指數(shù)fractional currency 輔幣;輔助貨幣fractional crystallization 分離結(jié)晶；分步結(jié)晶；分餾結(jié)晶作用；分級析晶fractional order 分數(shù)堦fractional column 分餾塔；分餾柱fractional part 小數(shù)部分 返回 fractional