• 我们拓荒者第10飞船的最后一次接触2003的1月10日,当时只有微弱信号返回到了地球

    The last contact we had with Pioneer 10 was on January 10, 2003, when a weak signal made it back to Earth.

    youdao

  • 人79生命中可能才只有250亿分之一差别但是却可以应用于全球定位系统地球物理学等领域中。

    The difference isn't much, about 25 billionths of a second over a 79 year life time, but it will have more practical applications in areas like global positioning systems and geophysics.

    youdao

  • 人79生命中可能才只有250亿分之一差别但是却可以应用于全球定位系统地球物理学等领域中。

    The difference isn't much, about 25 billionths of a second over a 79 year life time, but it will have more practical applications in areas like global positioning systems and geophysics.

    youdao

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