1.
The crop acreage could be quadrupled.
耕地面积可增加三倍。
2.
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。
3.
Halving the repeater spacing made it possible to triple the bandwidth.
把收音机间隔缩小一半,就能使带宽增加三倍.
4.
As we discussed last time, this means that it will cost us three times as much as before,
根据我们上次谈下来的情况，这意味着我们的费用要增加三倍。
5.
The number of AIDS cases in Daiwan tripled in the past year, and over half were spread through prostitution.
台员过去一年内得诶兹病耶患者增加三倍,有一半是位娼妓染著耶。
6.
He tripled his income.
他使他的收入增加两倍[增至三倍]。
7.
His money doubled in three years.
他的钱三年增加了一倍。
8.
Something increased twofold.
倍增成倍增加的东西
9.
The supply of fist grew fourfold there.
那里鱼的供应量增加了三倍。
10.
In this way, the average autumn catch has been increased by two or three times.
这样, 秋季平均捕鱼量增加了两到三倍。
11.
We redoubled our efforts [zeal].
我们加倍努力 [倍增热忱] 。
12.
Tending to multiply or capable of multiplying or increasing.
趋于增加或倍增的有倍增或增加的倾向的或者能够倍增或增加的
13.
With a population of seventy million, the land problem was plainly critical.
在以后的三百年中，耕地面积扩大了一倍，而人口却增加到六倍以上！
14.
Profits in our company have trebled in the last two years.
我们公司的利润在这两年中增加了三倍。
15.
If X is doubled, Y is increased by a factor of 4.
若x增加到两倍，则Y增加到四倍。
16.
The drain voltage has been increased by a factor of four.
漏电压增高了三倍。
17.
The sample size would have to be quadrupled.
样本量必须增大三倍。
18.
The output is double that of last year.
产量比去年增加一倍。