But the patterns of methylation change as we grow older. Which was a clue that measuring methylation might give away age.
但是甲基化的发生模式会随着我们年龄的增加发生变化，这也就为通过测定甲基化确定人体年龄提供了可能。
We felt we should repeat studies that we had done in 1991, which showed no change in the age of puberty, to see if we were now experiencing this phenomenon.
我们感到有必要继续我们在1991年就已经做过的研究。 尽管那时候的研究显示欧洲儿童的青春期年龄没有变化，但现在不知道我们这是不是也有肥胖的问题。
It is, I think, a masterpiece of Ice Age art, and it's also evidence of a huge change in the way in which the human brain was working.
我认为这是一件冰河时代的艺术杰作，同时它也是人类运转方式产生巨大变化的鲜明证据。
But in the past 40 years, there hasn't been any real change in age of menarche, which remains at just over 12 years.
但是在过去的40年间，初潮发生的年龄段并没有实质性的改变，还是在12岁左右。
Since the business logic is buried inside the code, even a smallest change, such as changing the maximum permitted age for insurance, requires a full-cycle it change, which is often a lengthy process.
由于业务逻辑隐藏在代码中，因此，即便是一个微小的更改(比如更改最大参保年龄)，都需要一个完整的IT更改周期，这通常是一个非常漫长的过程。
This is a relatively modest change by the standards of some other European countries, which are pushing the retirement age up to 65 or even 67.
按照其它一些欧洲国家的标准来说这只是中等水平，有些欧洲国家的退休年龄达到65岁甚至67岁。
And although migration is the only thing which prevents many European populations from shrinking, an influx of outsiders will not change age-structures by much.
虽然吸取移民是唯一的可以阻止欧洲人口缩减的方法，但是流入的外来移民不会对年龄结构产生很大的改变。
Traditional seniority systems, under which people get promoted and paid more as they age, therefore need to change.
传统的老年体制下，凭年龄晋升和拿工资制度因此需要作出改变。
Objective To construct age related centile curves, which can be read off as clinical references by a more flexible and more precise smoothing method to describe the numerical change with age.
目的年龄别百分位数是许多临床参考值的基本参数，本文研究一种适合于任意分布，能更精确描述这些基本参数随年龄变化的曲线平滑方法。
The Little Ice Age is the latest and the most typical case of cold climate event, which is significant for the research of centennial climate change.
小冰期是距今最近，特征最明显的寒冷气候事件，对于研究世纪尺度气候变化具有重要意义。
The much-hyped movie about climate change, "the Day after Tomorrow," which opens nationwide on May 28, depicts a series of catastrophes as the world plunges into a new ice age.
这部大肆宣传的、有关气候骤变的影片《后天》于5月28日上映。影片描述了世界陷入新的冰河时代后发生的一系列灾难。
Computers are commonplace in the age which is at hand, not only network technology is tending toward perfection but also people's life have a great change.
电脑普及时代即将到来，网络技术也在逐渐完善，人们的生活已经开始发生重要的变革。
Computers are commonplace in the age which is at hand, not only network technology is tending toward perfection but also people's life have a great change.
电脑普及时代即将到来，网络技术也在逐渐完善，人们的生活已经开始发生重要的变革。
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