They bear a strong resemblance to river systems on Earth, and geologists think that they are dried-up beds of long-gone rivers.

它们与地球上的河流系统非常相似，地质学家认为它们是早已消失的河流留下的干涸的河床。

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The team of archaeologists and geologists are convinced that Atlantis -swamped by a tsunami - is submerged just north of Cadiz.

由考古学家和地质学家组成的团队相信，是一场海啸淹没了亚特兰蒂斯，并最终将其埋葬于加的斯以北的沼泽中。

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Mother Nature isn’t causing the suspicious number of aftershocks, either, and it should be obvious to your seismologists and geologists that something is horribly awry.

自然母亲没有导致可疑的一系列余震，你们的地震学家和地理学家应该很清楚一些事情出岔子了。

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They include biologists,astronomers, physicists and geologists.

VOA: special.2009.06.03

And geologists and hydrologists fret about the possibility that dissolved metals might get into water supplies.

ECONOMIST: Energy supplies

Apart from continent-hopping business executives, niche markets include long-haul truckers, civil engineers, field scientists, disaster-relief agencies, news organisations, extractive industries and geologists.

ECONOMIST: Is Iridium about to fall to earth?

Mount Rainier is also an active volcano - although there has been no activity since the 1850s and geologists say there is no imminent threat of eruption.

BBC: Seattle side trips in every direction