... population fluctuation 种群波动 periodic fluctuation 周期性波动 preadapted 预适应的 ...
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正是这种关系及其运动，导致了现实经济的周期性波动。
Be this kind of relation and its motion, brought about the periodic wave motion of real economy.
五月六号的事件或许是个例外，但是市场的周期性波动却是不争的事实。
The events of May 6th may have been exceptional but a period of market volatility is not.
根据功率谱分析，入海泥沙还存在着3年和10年左右的周期性波动。
According to the spectrum analysis, the sediment load also fluctuated at the periodicity of 3a and 10a.
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