It is part of a 10-year plan for increasing geological science research.

这是增加地质科学研究的 10 年计划的一部分。

What geological research has not revealed, is the former existence of infinitely numerous gradations, as fine as existing varieties, connecting together nearly all existing and extinct species.

地质研究没有揭示的是， 从前存在着无数的层次，与现有的品种一样精细， 将几乎所有现存和灭绝的物种联系在一起。