A number system written to the base two notation.

一种使用以2为基数的记数法的数制。

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Two battalions were disposed for an attack on the air base.

配置两个营的兵力进攻空军基地。

《新英汉大辞典》

Brazil opened a research station in 1984, but it was largely destroyed by a fire that killed two members of the navy in 2012, the same year that a diesel-laden Brazilian barge sank near the base.

1984年，巴西开设了一个研究站，但在2012年的一场大火中，该研究站基本上被烧毁，两名海军人员在大火中丧生，同年，一艘满载柴油的巴西驳船在该基地附近沉没。

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In another example, pilot Edith Foltz Stearns was flying a plane to a military base in Scotland during World War Two.

VOA: special.2010.02.24

I'd only have 16 possible two base sequences, that's not enough to specify over 20 amino acids.

如果两个碱基一组那一共只有十六种组合,不够和二十种氨基酸来一一对应

耶鲁公开课 - 生物医学工程探索课程节选

Notice if I'm going to have two different sub problems I need to have two base cases here to catch this. And if I only had one it would error out. And as a consequence, I can go off and ask about rabbits. Let's see.

我需要定义两个基础事件来处理它,如果我只有一个基础事件的话就会产生错误,这样我就能够知道到底有多少只兔子了,让我们来看看，在第12个月末,没那么简单，在第二年末兔子就很多了。

麻省理工公开课 - 计算机科学及编程导论课程节选

The three starters all reached base two times each.

WSJ: For a Day, Mets Find Answers

The Ravens, because they can attack in base two TE personnel, or play Pitta and leave in FB hammer Leach, are uniquely positioned to deal with the Niners pass rushers off the edges.

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The move would double the central bank's monetary base over two years.

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