英国科学家表示，火星上的古湖泊中曾经有生命存在。
Ancient lakes on the planet Mars may once have hosted life scientists in Britain have said.
文昌组的无定形有机质反映了古湖泊表层水的高生产力和湖底水体的贫氧环镜。
The abundant AOM of the Wenchang Formation reflects the high productivity in the surface water and reducing dysoxic conditions in the bottom water of the Palaeogene lake.
青藏高原古近纪—新近纪古湖泊的演化，从时间上讲，有从老到新面积逐渐加大的趋势；
In term of time, the Paleogene-Neogene paleolakes of the plateau had a trend to increase gradually in area from the early to late stages.
接受碳酸盐岩沉积时气候相对干热，湖泊水文状况趋于封闭，火山活动频繁，古湖泊水体补给量小于蒸发量。
When the carbonate deposited, the climate was relatively dry and hot, the lake hydrology tended to close, volcanic activities were frequent and the lacustrine water supply was less than evaporation.
本文采取遥感图像光学增强、地学分析和历史资料论证的方法，研究了太原断陷盆地古湖泊的演变与生态环境的变化。
In this paper evolution of ancient lake in Taiyuan basin and changes of ecological environment were studied by optical enhancement of remote sensing image, geoscience analysis and historical records.
沉积物磁各向异性的研究方法本身也为古湖泊三角洲流向分析提供了新手段，为油气勘探的深化提供了新的科学依据。
The method shown in this paper could be a new way to analyze the paleocurrent in paleo-limnological delta and will provide new scientific data to serve the petroleum exploration.
周围的地质状况支持了这一假设，有证据表明有数条古河道汇入一块50公里(30英里)长，5公里宽的湖泊中。
The surrounding geology supports that hypothesis, with evidence of ancient river channels that lead into a lake which would have been about 50km (30 miles) long and 5km wide.
沃尔夫冈湖是萨尔兹卡么古特区众多湖泊中的一个。
Wolfgangsee is one of the many lakes in the Salzkammergut region.
亿万年前，一条卑微的鱼在冈瓦纳古陆的湖泊和河流中游泳。
Hundreds of millions of years ago a humble fish swam in the lakes and rivers of the supercontinent Gondwana.
为研究该区湖泊演化、气候变化、古地理变迁及第四系划分等提供了新资料。
The new data have been provided for the lake evolution, the climate change, the paleogeographic changes and the divide Quaternary period.
这表明，烟尘可能毒化了古海洋、湖泊并促成了灭绝事件。
This suggests that fly ash may have poisoned ancient oceans and lakes and contributed to the extinction.
硅藻是湖泊沉积物的重要组成部分，沉积物硅藻硅氧同位素在重建古气候、古环境方面具有重要价值。
As an important component of lake sediments, diatom is of great value for reconstructing paleoclimate and paleoenvironment.
陆生植物与湖沼相动物化石的交替出现，反映了盆地北缘侏罗纪湖泊、沼泽与低山相间分布的古地理面貌。
The alternative occurrence of terraneous plant and animal fossils represents a palaeogeographic feature with the mosaic-distribution of lakes, marshes and low hills.
陆生植物与湖沼相动物化石的交替出现，反映了盆地北缘侏罗纪湖泊、沼泽与低山相间分布的古地理面貌。
The alternative occurrence of terraneous plant and animal fossils represents a palaeogeographic feature with the mosaic-distribution of lakes, marshes and low hills.
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