The AIDS virus infects an estimated 33 million people globally and has killed 25 million since it was identified in the 1980s.

据估计，自上世纪80年代被发现以来，艾滋病毒感染了全球3300万人，导致2500万人死亡。

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Each schema element is identified by a globally unique Object Identifier (OID).

每个模式元素都被全球唯一的对象标识符（OID）所标识。

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Anaerobic methane oxidation (AMO) is a globally important biogeochemistry process, which has been identified by sufficient geochemical evidence.

海底缺氧带甲烷氧化作用是一个重要的甲烷生物地球化学过程，已被许多地球化学现象所证实。

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At the cutting edge, new studies of virus evolution and chips housing tiny cell cultures will improve our capacity to sort through the viral chatter and determine if a newly identified outbreak has the potential to spread globally or is likely to fade away.

ECONOMIST: Science