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来源:雅诚德英语网
Milankovitch proposed in the early twentieth century that the ice ages were caused by variations in the Earth's orbit around the Sun.
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.
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。