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)。
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。
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。
To understand why, imagine the effect that a doubling of the price level would subsequently have on the two businesses.
要理解为什么，想象物价水平翻倍之后对这两个业务的影响。
According Moore law, the integration level of the microchips doubling each 18 months.
按照摩尔定律，每过18个月，微芯片的集成度翻一番。
In many early pregnancies, the hCG level will double every 31 to 72 hours. As the pregnancy progresses, hCG levels rise and the doubling time increases.
许多的早孕，和HCG水平每31 - 72小时会翻倍，随着怀孕的进程，HCG水平的上升以及翻倍的时间也会增加。
In many early pregnancies, the hCG level will double every 31 to 72 hours. As the pregnancy progresses, hCG levels rise and the doubling time increases.
许多的早孕，和HCG水平每31 - 72小时会翻倍，随着怀孕的进程，HCG水平的上升以及翻倍的时间也会增加。
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