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。
One hypothesis is that it's a natural phenomenon, that the starfish naturally undergo population fluctuations following particularly good spawning years.
安德森认为，厄尔尼诺现象，也就是今天影响太平洋的气候波动，可能让拉皮塔人更加分散。
El Nino, the same climate disruption that affects the Pacific today, may have helped scatter the Lapita, Anderson suggests.
她也在攻读经济学博士学位,目前正在研究"期权微笑",也就是,期权隐含波动率微笑现象中的价格变动趋势,她现在正对我微笑呢
She is also a PhD candidate in Economics and is doing research on the behavior of options prices in a phenomenon called the "Options smile," as she's smiling at me right now.
然而，这一现象并没有引起人们的注意，因为美元现在以其他币种为参照，诸如欧元，人民币等，而这些货币的波动本身也极为剧烈。
But they have not been noticed because the dollar is now compared with other paper currencies-like the euro and yuan-where shifts have been nothing like as extreme.
冷却将降至洋流和北大西洋温度的周期性波动，这是被称为北大西洋涛动现象（NAO）的特征。
The cooling would be down to cyclical changes to ocean currents and temperatures in the North Atlantic, a feature known as the North Atlantic Oscillation (NAO).
简言之，相对的和平稳定与战争动乱，呈周期性波动，是这个500年期间一个全球性的现象，这似乎与气温变动周期相关联。
In short, synchronous periods of relative peace and turbulence during those 500 years were a global phenomenon seemingly linked to temperature change.
不仅如此，一些数据出现反向波动的现象也很常见。
It's also common for some data to move in opposite directions.
但寒冷温度不仅是波动现象的原因。
But cold temperatures aren't the only reason for the fluctuations.
这一现象在期权的隐含波动率中显示出来，隐含波动率正是狂乱的投资者们所预见的市场波动的反映。
This shows up in the "implied volatility" of the option, which indicates how wild investors expect market swings to be.
这种现象提示了我们注意力范围是如何波动的。
This phenomenon reveals how our span of attention fluctuates.
经济现象中的周期波动影响企业的经营管理。
The periodical wave in economic phenomenon influences the enterprises' business and management.
我们已经知道微粒说解释了许多已观察到的现象，光的波动说也能做到这一点吗？
We have seen that the corpuscular theory explains many of the observed facts. Is the wave theory also able to do this?
假设光是一种波动现象。
北京某咨询研究机构的经济学家刘满平认为，“公务员热”现象反映出，由于市场环境与经济环境的波动，人们缺乏安全感。
Liu Manping, an economist at a Beijing-based think tank, thinks the phenomenon reflects people's sense of insecurity in a fluctuating market and economy.
这个系列2300被推荐用于打算将城市水压降低以供应卫生洁具，避免出现猛烈的压力波动现象。
The Series 2300 is recommended where city water pressure is to be reduced to supply plumbing fixtures to prevent violent pressure fluctuations.
他补充说：视野检查结果的变异和波动现象可以导致误诊为视野损害在进展，而事实上视野损害并为进展。
"The variability and fluctuation that occurs in testing can lead to the erroneous diagnosis of progression when, in fact, true progression has not occurred," he added.
近年来，我国经济波动比较大，甚至出现了通货紧缩和高增长并存的现象。
In recent years, our economy fluctuated significantly, accompanied with deflation and high growth rate.
因此，本论文确定将电能质量问题中的电压跌落和电压波动及闪变现象作为主要研究对象。
So this paper mostly studies the algorithm of detecting voltage sag, voltage fluctuation and flicker in power quality problems.
孤波，作为一种特殊的相干结构，反映了一类稳定的自然波动现象。
Solitary wave, which is a special coherent structure, describes a kind of stable nature wave phenomena.
孤立波，作为一种特殊的相干结构，反映了一类稳定的自然波动现象。
Solitary wave, which is a special coherent structures, describes a kind of stable nature wave phenomena.
麦克斯韦电磁理论，光是一种电磁波现象，以及光的波动理论的成功。
Maxwell's Theory of Electromagnetism, Light as an Electromagnetic Phenomenon, and the Triumph of the Wave Theory of Light.
空隙率波是工业生产和尖端技术领域里常见的一种波动现象，是两相流的本质特征之一。
Void wave is a normal wave phenomenon in industry and high-technology field. It is one of the most important characteristics of two-phase flow.
利用正反馈交易的数学模型，对我国股市波动的复杂性现象进行了解释。 䔄。
We use positive feedback model to demonstrate the mechanism and reason of the complexity of stock market.
提出了当零售商采用一次平滑指数法或简单移动平均法获得需求信息的过程中，不存在波动放大现象。
It shows that the demand variability does not increase when the retailer relies on the simply exponentially weighted moving average or the simple moving average to forecast demand.
文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化，讨论了方柱涡激振荡、驰振和气动稳定性问题。
This study aims at investigating the lock-in phenomenon, fluctuating lift and the phase shift between fluctuating lift and displacement of the oscillating cylinder.
通过实例计算表明该方法是正确的，所得最优飞行轨迹参数没有波动现象，曲线光滑。
The example calculating shows that the method is correct. Optimum flight trajectory parameters don't have wave and are smooth.
通过实例计算表明该方法是正确的，所得最优飞行轨迹参数没有波动现象，曲线光滑。
The example calculating shows that the method is correct. Optimum flight trajectory parameters don't have wave and are smooth.
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