The initial typhoon circulation is a bogus pattern determined by the central surface pressure and the maximum wind speed of the typhoon being predicted.

初始台风环流是由台风中心海平面气压与最大风速所确定的一个模型环流。

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The central crater could be formed by unusual layers below the surface, or from a lucky second impact.

陨坑中心可能是由于不同寻常的下层地质结构导致的，也有可能因为幸运的二次撞击而形成的。

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The central idea behind a Space Elevator involves lowering a cable — perhaps constructed from asteroid material — from geostationary Earth orbit to the surface of the Earth.

太空升降机背后的核心理念包括降下一根电缆——也许是由小行星材料制成的，——从对地静止轨道到地球表面。

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Since then, the bones have lain undisturbed just 2.5 meters (8 feet) below the surface in one of the few areas of the central London neighborhood not to have been developed over the years.

CNN: London rail excavation unearths suspected 'plague pit'

Chemical effects related to acidification have also been encountered in surface waters of the Bering Strait and the Canada Basin of the central Arctic Ocean.

BBC: Arctic Ocean 'acidifying rapidly'

Fearful of the negative trade implications that might surface if their currencies rose too much against the dollar, foreign central banks have traditionally sought to weaken their currencies during periods when the dollar sank.

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