1·The city council commissioned geological experts earlier this year to survey the cliffs.
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。
—— 《柯林斯英汉双解大词典》
2·With geological maps, books, and atlases you can find out all the proven sites of precious minerals.
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。
—— 《柯林斯英汉双解大词典》
3·In geological time, a million years is recent history.
在地质时代，一百万年属于近代史。
4·There is evidence of major ecological and geological changes during this period.
有证据表明，这一时期发生了重大的生态和地质变化。
5·Bown and his colleagues stumbled across it while they were doing geological mapping in the region.
鲍恩和他的同事在该地区进行地质测绘时偶然发现了它。
1·The overall result has been to make entrance to professional geological journals harder for amateurs, a result that has been reinforced by the widespread introduction of refereeing.
这样做的总体结果就是业余爱好者想在专业地质学期刊上发表文章就更难了，而评审制度的广泛采用又进一步加强了这一结果。
2·Hills and mountains are often regarded as the epitome of permanence, successfully resisting the destructive forces of nature, but in fact they tend to be relatively short-lived in geological terms.
丘陵和山脉通常被认为是永恒的象征，成功抵御着自然的破坏力量，但其实它们从地质学角度讲往往是相对短暂的。
3·Therefore, the CARA relied on a probabilistic methodology of geological analysis and analog modeling.
因此，CARA采用基于地质学的概率理论分析与同类建模。
4·The geological signal will be clear from industrial-scale mining, damming, deforestation and agriculture, as well as the concentration of carbon in the atmosphere and nitrates in the oceans.
工业规模采矿、建水坝、砍伐和农业，以及大气中的碳浓度上升和海洋中的氮浓度增高都是明显的地质学标记。
5·Several specific geophysical, geological, and chemical methods are presently used for earthquake prediction.
目前我们一般用地球物理学、地质学和化学方法进行地震预测。