adj. 1.四倍的。 2.四重的；由四部份组成的。 3.【音乐】四节拍的。 短语和例子 a size quadruple to [ of ] that of the earth 地球四倍大的大小。 n. 四倍，四倍量。 vt.,vi. (使)成四倍；以四乘。 n. -ness
four times as great or many; "a fourfold increase in the dosage" 同义词：fourfold, four-fold,
having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire" 同义词：quadruplicate, quadruplex, fourfold, four-fold,
increase fourfold; "His stock earning quadrupled"
a quantity that is four times as great as another
a set of four similar things considered as a unit 同义词：quartet, quartette, quadruplet,
例句与用法
1.
The sample size would have to be quadrupled . 样本量必须增大三倍。
2.
The crop acreage could be quadrupled . 耕地面积可增加三倍。
3.
The grain output is quadrupled . 粮食产量翻了两番。
4.
The power utilities will need to quadruple their capacity . 电力事业必须使它们的能力增加三倍。
5.
"i think so too," replied barbicane; "that is why i propose to quadruple the length. " “我也是这样想，”巴比康回答;“所以我建议把这个长度扩大三倍。”
6.
the occurrence of a quadruple bond was first recognized in the case of［睑睿蔸 . 四重键的出现是人们在的情况中第一次认识到。
7.
We have hope to quadruple the total industrial and agricultural output by the end of the century , which is a lofty aim . 我们有雄心壮志，到本世纪末，使工农业生产总值翻两番。
8.
It is entirely possible to achieve the goal of quadrupling the gross annual value of industrial and agricultural production by the end of the century ... 在本世纪末实现工农业总产值翻两番的目标是完全可能的。
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