The bacteria colony has been isolated there for about 1.5 million years, researchers say, ever since the glacier rolled over the lake and created a cold, dark, oxygen-poor ecosystem.

研究人员称，自从冰川从湖中诞生，创造了这样寒冷，黑暗，无氧的生态环境时起，这种细菌菌落已被隔离了约150万多年。

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The U.S. bacterial limit is no more than 500 colony-forming units of bacteria per milliliter of water.

美国的细菌数量上限是每毫升水不超过500个菌落形成单位。

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Last year, researchers engineered an entire colony of bacteria to periodically fluoresce in unison, and we can expect many more papers exploring the behaviour of collections of cells.

去年，整个细菌工程队研究人员定期用荧光一致染色，我们期待这能有更多关于探讨细胞集合行为的论文。

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An experimental colony of bacteria stranded in space by problems with the space shuttle survived for six years.

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Instead, three bearded, casually dressed speakers compared the Net to a colony of bacteria and talked about implants that let people interact with computers and eyeglasses that can tell whether the girl you're ogling might want a date.

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The winner, however, was Steve Meretzky, developer of Zoo Tycoon, whose concept game Bac Attack pits players armed with light and radiation against a bacterial colony in a petri dish -- when the player is inevitably overwhelmed by the bacteria, Steve suggests calling the government to arrange a sale.

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