米兰科维奇没有任何证据。

Milankovitch didn't have any proof.

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米兰科维奇在20世纪早期提出，冰河时代是由地球绕太阳运行轨道的变化引起的。

Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.

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当米兰科维奇在20世纪20年代首次提出这个理论时，他的许多同事都持怀疑态度。

Now, when Milankovitch first proposed this theory in the 1920s, many of his colleagues were skeptical.

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前言： “米兰科维奇周期”对气候历史的研究是至关重要的。

Milankvitch period is the key to study the climatic history.

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前言： “米兰科维奇周期”对气候历史的研究是至关重要的。

Milankvitch period is the key to study the climatic history.

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