For Moscow to the Great Wall Station circuit, the lower the frequency, the larger the fading depth.

莫斯科-南极长城站电路的衰落深度与频率、时间有关，频率低，其衰落深度大。

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Many human affairs are fading out and eventually disappeared in the depth of history.

许多人事渐行渐远，最终会隐没在历史的深处。

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Many human affairs are fading out and eventually disappeared in the depth of history.

许多人事渐行渐远，最终会隐没在历史的深处。

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