Even if we observed a certain level of performance at a given configuration, a performance improvement is not always guaranteed when doubling or halving a specification (unfortunately).

即使我们在给定配置下实现了一定程度的性能改善，也不能保证当某种规格翻倍或减半之后还能获得性能改善(很遗憾)。

youdao

Some 60% of the 540 senior executives from 19 business sectors questioned in the survey said they expected to reach this level by 2014, almost doubling the 31% who say they have already done so.

来自19个行业的540位高级管理人员接受了这项调查，其中约60%表示，他们预计到2014年公司将达到“20%”这一水平，相比那些表示已达到这一水平的31%调查对象，比例增加了近一倍。

youdao

The causes of this near doubling of life span are no secret: China has developed public health programs that have reduced communicable diseases to a manageable level.

寿命几乎延长一倍的原因，倒也不是什么秘密：中国开展了把传染病减少到可控水平的公共卫生项目。

youdao

And around a third of the cash went on cross-border deals, a doubling of the level in 2004.

ECONOMIST: Closing the borders to business | The

Foxconn has raised basic wages four times in the past three years, in some areas doubling the starting-level pay.

FORBES: Apple And Foxconn Are The Best Thing That's Ever Happened To Chinese Labour

In a non-linear problem, the most relevant number for projecting sea level rise is the doubling time for the rate of mass loss.

FORBES: Breaking News: The Climate Actually Changes!