In the past we used to have regular 10-year climatic cycles which were always followed by a major drought.
在过去我们习惯了每十年一次大的干旱的气候循环周期。
The climatic cycles of the glacial period in Europe over the past 2.5 million years have accelerated this erosion process.
在过去的250万年里欧洲的冰河时期气候循环加速了这个侵蚀的过程。
These cycles can be produced by climatic conditions or by internal feedback mechanisms.
这些循环是由于气候条件或内在反馈机制所造成的。
The result indicated that this method was very useful to study the cycles of climatic change, which provides vital reference for paleoclimatic reconstruction and paleoenvironmental forecast.
应用该方法可以判断气候演变过程的持续性或周期性存在与否，进而可以为古气候重建和环境预测提供必要的科学依据。
The result indicated that this method was very useful to study the cycles of climatic change, which provides vital reference for paleoclimatic reconstruction and paleoenvironmental forecast.
应用该方法可以判断气候演变过程的持续性或周期性存在与否，进而可以为古气候重建和环境预测提供必要的科学依据。
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