The space efficiency afforded by efficient check-in is greatly increased in cases where the amount of change between versions is relatively low (as was the case in the development system under test).

如果各个版本之间的差异较小(例如所测试的开发系统)，则高效签入的空间效率则会大大增加。

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The development has even taken fellow Nasa scientists by surprise, and it promises to open new frontiers in space technology.

这一发现甚至使美国宇航局的科学家们感到措手不及，它意味着将打开太空科技的新领域。

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Perhaps the biggest development in the citizen journalism space this year was the acquisition of Newsvine by MSNBC earlier this month.

也许今年在公民新闻领域最大的进展是本月前些时候MSNBC对Newsvine的收购案。

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One of the key presentations at the conference was given by Dr Giovanna Tinetti who's leading the Exoplanet Characterisation Observatory, or EChO, mission recently selected for further development by the European Space Agency.

BBC: From counting to characterising exoplanets

After leaving railways he was snapped up by Japan's National Space Development Agency and was its president until he retired in 1977.

ECONOMIST: Hideo Shima

As a nonprofit, it takes no equity in its portfolio companies and gives companies a platform that promotes corporate development by providing resources such as stipends, office space, legal support and direct mentorship.

FORBES: Stanford Accelerator StartX Receives $800,000 Grant From Kauffman Foundation