Maintaining this environment is very costly, and recent research shows that even old oil paint is unaffected by wide fluctuations in temperature and humidity.

维护这样的环境是非常昂贵的，而且最近的研究表明，即使是旧的油画也不会受到温度和湿度大波动的影响。

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The researchers pointed out that low-frequency processes, such as fluctuations in stream flow and groundwater levels, would not usually be apparent to human populations.

研究人员指出，低频过程诸如河流流量和地下水水位的波动，通常不会对人类产生明显影响。

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The dated isotope record shows that the fluctuations in global ice volume over the past several hundred thousand years have a pattern: an ice age occurs roughly once every 100,000 years.

同位素年代记录显示，过去几十万年全球冰量的波动有一个模式：冰河期大约每10万年发生一次。

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There's a lot of fluctuations in exchange rates over time.

随着时间的推移，汇率会不停地上下波动。

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I want to talk first about institutions and then move to what I think is, myself, more interesting, which is the real estate boom and the kind of fluctuations we've seen in real estate over the years.

我首先会讲讲这些机构,然后讲一下我更感兴趣的,房地产市场繁荣,及这些年里,我们经历的波动

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There can be a supply of them, a storehouse of them that can build up in the body, and so day-to-day fluctuations become less of a problem with fat soluble then water soluble vitamins, because the body can go grab them from a storage depot, if you will.

从而在体内建立起一个供应源,一个脂溶性维生素仓库,这样一来,相比起水溶性维生素,脂溶性维生素的浓度不会每天剧烈波动,因为机体可以任意取用体内的储存

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The stock owner should not be too concerned with erratic fluctuations in stock prices.

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For corporations, monitoring fluctuations in mobile data usage is becoming an ever more crucial task.

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However, there were fluctuations in this tendency which are beyond our ability to fully understand.

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