geological age 地质年代 ; [地质] 地质时代 ; 地年代
isotopic geological age [地质] 同位素地质年龄 ; 同位素年龄 ; 同位素地质年代学
Geological signification of age 地质解释
geological age by thermoluminescence 热释光地质年龄
invariant geological age 不变地质年龄
geological age code 地质年代代码
geological age table 地质年代表
isotope geological age 同位素地质年龄
relative geological age 相对地质年代
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.
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。
While there are a dozen or more mass extinctions in the geological record, the Cretaceous mass extinction has always intrigued paleontologists because it marks the end of the age of the dinosaurs.
虽然在地质记录中有十几次甚至更多的大灭绝，但白垩纪的大灭绝总是引起古生物学家的兴趣，因为它标志着恐龙时代的结束。
We now live in the Anthropocene, a geological age of mankind's making.
我们现在生活在人类世，用人类来决定地质年龄的世界。
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