... 地质年表 geochronometric scale 地质年代 geochron; geologic ages; geologic period; geologic time scale; geological age; geological chronology; geological period; geological time; geologicalage; geologictime; plicensbachian; pliensbachian; pluteus 地质年代表 chart of geologic time; chronological scale; geochronologic scale; geologic time scale; time scale ...
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recent geological period 现代地质时期
recent t geological period 现代地质时期
GeologicalPeriod Geological Period 地质学时期
The Cambrian Geological Period 寒武纪地质时期
Jinning period geological events 晋宁期地质事件
Charles Lyell made a good estimate of the Tertiary Period from the fossil record, but his method could not be extended to earlier geological periods.
查尔斯·莱尔根据化石记录对第三纪作出了很好的估计,但他的方法不能扩展到更早的地质时期。
There are clickable links to each geological period providing accompanying text and graphics.
从这里可以点击进入各个地质时期,并伴有文字和图表说明。
Human may define a geological period in the way dinosaurs — and their vanishing act — helped mark the Jurassic.
恐龙以及恐龙的消失是侏罗纪的标志,人类或许也会像它们那样定义一个地质时期。
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