1纳秒为十亿分之一秒。

A nanosecond is one-billionth of a second.

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有些计算机一秒钟能完成超过十亿次运算。

Some computers can perform over a billion computation a second.

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他们可以一秒钟计算数十亿！

They can make billions of calculations a second!

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他们可以一秒钟计算数十亿！

They can make billions of calculations a second!

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