We are now in the warmest climatic phase of the past two millennia, another climatic extreme like the 17th century in LIA, which was the coldest period of the past two millennia (17).
我们现在处于过去两千年来气候最温暖的时期。而在另一种极端气候时期，比如小冰期的17世纪，则属于过去两千年中的最冷时期(17)。
The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.
相函数的自功率谱一般具有两个峰值频率，其相应的频率分量决定相函数的波峰特征。
The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.
相函数的自功率谱一般具有两个峰值频率，其相应的频率分量决定相函数的波峰特征。
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