These ratios register the fluctuations of air temperatures over the seasons and years.
这些比率记录了空气温度随季节和年份的波动。
The level of sulfur dioxide gas above Venus's clouds shows large and very frequent fluctuations.
金星云层上方的二氧化硫气体水平显示出巨大且非常频繁的波动。
Weighing yourself regularly is a wonderful way to stay aware of any significant weight fluctuations.
定期称体重是一种很好的方法，这能让你意识到任何明显的体重波动。
To build up a better picture of fluctuations appreciably further back in time requires us to use proxy records.
为了更好地了解更早时期的波动，我们需要使用代理记录。
It is quite possible that these fluctuations, the huge increase and decrease of sulfur dioxide, happening again and again.
很有可能这些波动，二氧化硫的大量增加和减少，一次又一次地发生。
One hypothesis is that it's a natural phenomenon, that the starfish naturally undergo population fluctuations following particularly good spawning years.
有一种假说认为，这是一种自然现象；在特别适合产卵的那几年后，刺冠海星自然会经历种群数量的波动。
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。
There are several hypotheses, including warming or cooling of Earth, changes in seasonal fluctuations or ocean currents, and changing positions of the continents.
有几种假说，包括地球变暖或变冷，季节波动或洋流的变化，以及大陆位置的变化。
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。
These factors include the chaotic fluctuations of the atmosphere, the slower but equally erratic behavior of the oceans, changes in the land surfaces, and the extent of ice and snow.
这些因素包括混乱的大气波动、相对较慢但同样不稳定的海洋活动、地表变化，以及冰雪的覆盖范围。
In contrast, high-frequency fluctuations such as seasonal temperature variations are observable and somewhat predictable, so that groups could have adapted their behaviors accordingly.
相反，诸如季节性温度变化等高频波动是可以观察到的，而且在某种程度上是可以预测的，因此群体可以相应地调整它们的行为。
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。
There were, however, fluctuations in the climatic conditions, with the consequences that wet conditions were followed by dry ones, so that the availability of plants and animals oscillated brusquely.
但是，气候条件存在波动，造成干湿天气交替，以致可以获取的动植物数量忽高忽低。
Recent evidence suggests fluctuations in GA concentration during de-etiolation.
最近的证据表明了在去异黄酮化期间GA浓度的波动。
The seasonal fluctuations about infectation percentage and the harm on the Corbicula fluminea were compared.
比较了感染率的季节性波动和对Corbicula fluminea 的危害。
When images begin to fade, the uncertainty about where to look increases the fluctuations in superior colliculus activity, triggering a microsaccade.
当图象消失了，因为不确定该往哪看，上视丘神经活动会出现起伏现象，引起微眼跳。
There were so many unpredictable fluctuations on the Stock Exchange.
股票市场瞬息万变。
So have seasonal fluctuations.
因此有着季节性的波动。
It's just random fluctuations.
那是一个任意的波动。
Some are merely random fluctuations.
有一些只不过是随机波动。
Fluctuations in either one could affect his earnings.
任何一方的波动都可能会影响他的收入。
The fluctuations in price can be quite significant.
价格的起伏会很大。
Then he recorded the magnetic fluctuations of their brains.
然后就记录了他们大脑的磁信号波动。
This can lead to unwanted fluctuations in current or voltage.
这会导致电流或电压的无用波动。
From those density fluctuations galaxies eventually formed.
星系最终就是在这些密度涨落中形成的。
But cold temperatures aren't the only reason for the fluctuations.
但寒冷温度不仅是波动现象的原因。
Large fluctuations indicate springy arteries; small ones, hardening.
波动大说明动脉富有弹性，波动小则说明动脉硬化。
These fluctuations could cause the ball to bend in unpredictable ways.
这种波动还能使球飞向不可预知的方向。
These fluctuations could cause the ball to bend in unpredictable ways.
这种波动还能使球飞向不可预知的方向。
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