1997年每百户平均拥有电脑数达百分之10.1999年每百户平均拥有电脑数达百分之20.用2种不同的句子翻译,多则更好
热心网友
(1) The percentage of households who had computers is 10% on average in 1997。 The ratio of households who had computers reached 20% on average in 1999。(2) On average, 10% households had computers in 1997。 One average, 20% households had computers in 1999。(3) The average percentage of household who had computers in 1997 is 10%。 The average percentage of households who had computers in 1999 is 20%。。