中国成功研制千万亿次超级计算机——“天河一号”。

China has successfully developed "Milky Way One" Supercomputer.

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这台计算机能承担每秒钟2507兆或是2.507千万亿次的计算速度。

The machine has a sustained computing speed of 2, 507 trillion calculations, or 2.507 petaflops per second.

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此后，美国对超级计算机系统投入巨资，终于在2008年突破每秒运算千万亿次的关口。

The United States then began investing heavily in the computing systems, breaking the petaflop barrier in 2008.

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