地质全球地质年代的详细划分,分哪几个时段?
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![地质全球地质年代的详细划分,分哪几个时段?](/uploads/image/z/8044188-60-8.jpg?t=%E5%9C%B0%E8%B4%A8%E5%85%A8%E7%90%83%E5%9C%B0%E8%B4%A8%E5%B9%B4%E4%BB%A3%E7%9A%84%E8%AF%A6%E7%BB%86%E5%88%92%E5%88%86%2C%E5%88%86%E5%93%AA%E5%87%A0%E4%B8%AA%E6%97%B6%E6%AE%B5%3F)
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