“我们海军在海上可搭载飞机的总数量，是世界其他海军搭载飞机数量总和的两倍。”美国国防部长罗伯特·盖茨去年就曾指出过。

"Our Navy can carry twice as many aircraft at sea as all the rest of the world combined," outgoing U.S. Secretary of Defense Robert Gates pointed out last year.

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这是logprimary和logsecond参数的总和可能达到的字节总数。

This is the total number of bytes possible from the sum of the logprimary and logsecond parameters.

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选择计算总和了每个参与者全部时间点的一个作用指标，例如，事件的总数、总平均值或者时间趋势。

Alternatively, compute an effect measure for each individual participant which incorporates all time points, such as total number of events, an overall mean, or a trend over time.

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