三月份产值比二月份增长37%。
Asia is four times larger thanEurope.
亚洲面积比欧洲大3倍。（或：亚洲面积是欧洲的4倍。）
The depth of water in the first tube is less than half that in the other.
地球的引力大约是月球引力的6倍。
The per unit area yield of ginned cotton has increased by 15% over the last year.
皮棉单位面积产量比去年增加了15%。
The March figure for output value registered a 37 per cent increase over February.
第一根试管内水的深度比另he vegetable has decreased by 20% as compared with that of 1999.
今年的蔬菜价格比1998年减低了20%。
When the signal we pick up has increased by 10 times the gain may have been reduced by 8 times.
信号增大到十倍，增益降低到1/8。
The prices of medicine have been reduced 4 times as compared with 1950.
药品价格1950年相比降低了75%。
The new compressor is half as heavy as the old one.
这部新的压缩机比旧的轻一半。
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Iron is almost three times heavier than aluminium.
铁的重量几乎是铝的3倍。（或：铁几乎比铝重2倍。）
The gravity of the earth is about six times as great as that of the moon.