fluctuations
英[ˌflʌktjʊ'eɪʃəns]
美[ˌflʌktjʊ'eɪʃəns]
- n. 波动；起伏现象
- 名词fluctuation的复数形式.
详细释义
名词 fluctuation:
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a wave motion
-
an instance of change; the rate or magnitude of change
-
the quality of being unsteady and subject to changes
双语例句
- 1. 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。
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- 2. 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。
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- 3. 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。
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- 4. 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。
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- 5. 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。
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- 6. 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。
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- 7. 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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- 8. 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。
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- 9. 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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- 10. 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。
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- 11. 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。
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- 12. 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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- 13. 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。
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- 14. 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。
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- 15. 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。
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- 16. 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。
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- 17. There were so many unpredictable fluctuations on the Stock Exchange.
- 股票市场瞬息万变。
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- 18. So have seasonal fluctuations.
- 因此有着季节性的波动。
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- 19. It's just random fluctuations.
- 那是一个任意的波动。
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- 20. Some are merely random fluctuations.
- 有一些只不过是随机波动。
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- 21. 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。
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- 22. The fluctuations in price can be quite significant.
- 价格的起伏会很大。
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- 23. 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。
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- 24. This can lead to unwanted fluctuations in current or voltage.
- 这会导致电流或电压的无用波动。
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- 25. From those density fluctuations galaxies eventually formed.
- 星系最终就是在这些密度涨落中形成的。
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- 26. 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。
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- 27. 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。
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- 28. 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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- 29. 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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- Fluctuations are spatial and temporal in character.
这种波动的特点是空间性和瞬时性的。 - Turbulence or gusts produce velocity fluctuations.
紊乱性或阵息性使速度产生波动。
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