地质变化是指地球本身由于受到某种能量(外力、内力、人为）的作用，从而引起地壳组成物质、地壳构造、地表形态等不断的变化与改造的过程。
有证据表明，这一时期发生了重大的生态和地质变化。
There is evidence of major ecological and geological changes during this period.
这些雕刻的某些特征让人得出它们年代久远的结论——这些设计完成之后显然有地质变化发生。
Certain features of these engravings lead to the conclusion that they are of great age—geological changes had clearly happened after the designs had been made.
区系地理反映了物种演化过程的历史气候、地质变化动态。
The distribution of the florae reflects the dynamic climatic and geological changes during the species succession on a historical scale.
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