中生代前的 pre-Mesozoic
中生代地层的分布 mesozoic stratigraphic distribution
中生代地层的油气潜力 mesozoic hydrocarbon potential
中生代的动植物在新生代无法生存。
Plants and animals from the Mesozoic era were unable to survive in the Cenozoic era.
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.
有些生物一直很少变化，以至生存至今的生物与它们古生代或中生代的祖先仍十分相象。
Some organisms have persisted with so little change that specimens living today are quite similar to their Paleozoic or Mesozoic ancestors.
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