但中生代本身便是以一次大灭绝开始的。
银杏是中生代幸存下来的植物。
于是中生代的食肉动物也可能是这样。
It is thus possible that the same was applicable to Mesozoic predators as well.
另一类为中生代大气降水与原始岩浆水的混合。
The other is mixture of Mesozoic meteoric water and initial magmatic water.
并讨论了龙门山中段中生代前陆盆地的构造演化历史。
The paper also discusses the structural evolution history of the forel…
并讨论了龙门山中段中生代前陆盆地的构造演化历史。
The paper also discusses the structural evolution history of the forel…
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