The second problem posed when considering catastrophism is the earth's past impact history.
当用灾变论
过去的地球被
击历史时，第二
就出现了。
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The old slow and steady idea called uniformitarianism now stood alongside a new idea called catastrophism, where rapid and violent events could sometimes shape Earth's geology in ways that slower processes couldn't explain.
被称为均
论的陈旧缓慢而稳定的想法现在与称为
难论的新想法并驾齐驱，其中快速而剧烈的事件有时会以较慢的过程，无法解释的方式塑造地球地质。
难
