他曾是佐治亚大学的地质学客座教授。
He was visiting professor of geology at the University of Georgia.
该市议会今年早些时候委托地质专家们对这些悬崖进行勘测。
The city council commissioned geological experts earlier this year to survey the cliffs.
有了地质地图、书籍和地图册，你就可以找到所有已探明的珍贵矿藏的位置。
With geological maps, books, and atlases you can find out all the proven sites of precious minerals.
起初他学建筑，但后来转到地质学。
At first he studied architecture, but later he switched to geology.
莱尔估算地质年代的方法不是很准确。
Lyell's strategy for estimation of geologic dates was not very accurate.
一般来说，板块的内部在地质上是平静的。
Generally speaking, the interiors of plates are geologically uneventful.
鲍恩和他的同事在该地区进行地质测绘时偶然发现了它。
Bown and his colleagues stumbled across it while they were doing geological mapping in the region.
许多物种在地质上很短的时间间隔内灭绝的情况称为大灭绝。
Cases in which many species become extinct within a geologically short interval of time are called mass extinctions.
其他岛屿是通过如火山作用的地质作用形成的，没有陆地生命。
The other islands, which emerged via geological processes such as volcanism, possessed no terrestrial life.
许多科学家为地质时间尺度的建立提供了有价值的研究和投入。
Many scientists provided valuable research and input into the creation of the geologic time scale.
为了保证万无一失，胡安让他的非地质专业的室友来听他的演讲。
To be absolutely safe, Juan asked his roommate, who was not a geology major, to listen to the speech.
我们讨论了30到40亿年前地球和火星上液态水存在的地质证据。
We were discussing the geological evidence of liquid water on Earth and Mars three to four billion years ago.
考古学家知道，像这样的土堆是能表明有古代定居点存在的地质特征。
Archaeologists know that mounds such as these are the kinds of geological features that indicate the presence of ancient settlements.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
地质年代通常是通过矿物中发现的各种放射性元素的衰变率来获得的。
Geological dates are usually obtained by using the rates of decay of various radioactive elements found in minerals.
正如我说过的，接下来的几周，我们将以更广泛的视角来研究地质学。
So for several weeks like I said we'll be addressing geology from a wider perspective.
这表明，地球上的水可能来自内部，由于地质活动，被带到表面形成海洋。
This suggests that Earth's water may have come from inside, driven to the surface to form the oceans, by geological activity.
地质记录显示，在白垩纪末期这些航道从大陆撤退，回到主要的海洋盆地。
At the end of the Cretaceous, the geological record shows that these seaways retreated from the continents back into the major ocean basins.
这些山丘是早期地质时代的遗留物，大部分土壤已被刮光，遭受风吹日晒。
The hills are remnants of an earlier geological era, scraped bare of most soil and exposed to the elements.
相比于大陆冰川沉积物，海洋沉积物提供了更完整的更新世时期的地质记录。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
从他的听众和分析报告中，他了解到，只有2到3个同学对地质学涉猎较深。
From his audience and analysis, he learned that only 2 or 3 of his classmates knew much of anything about geology.
这次特别巡航的目的之一是调查地中海的海床，并解决有关其地质历史的问题。
An objective of this particular cruise was to investigate the floor of the Mediterranean and to resolve questions about its geologic history.
现在，地质证据和恒星演化模型之间这种明显的矛盾被称为“微弱年轻太阳悖论”。
Now, this apparent contradiction between geologic evidence and the stellar evolution model became known as the faint young Sun paradox.
经典地质学从牛顿那里借用了一个决定性的前提——地球过程独立于任何天文环境。
Classical geology borrowed a decisive, if unspoken, premise from Newton—the independence of Earth's processes from any astronomical context.
科学态度的本质是什么，研究和应用物理、生物、化学、地质、工程、医学或其他科学的人的态度是什么？
What is the nature of the scientific attitude, the attitude of the man or woman who studies and applies physics, biology, chemistry, geology, engineering, medicine or any other science?
通过钻孔，地质学家可以在不同深度测量。
By drilling, geologists can take measurements at various depths.
“那你去了哪里？”他怒气冲冲地质问道。
我们需要各种类型的协助者，例如地质学者和教师。
We need helpers of all types, e.g., geologists and teachers.
威尔逊的叔叔是一位地质学家，他喜欢收集石头。
Wilson's uncle was a geologist and he loved to collect stones.
家长愤怒地质问道。
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