The difference is due to some more robust components on the German space agency (DLR) satellite.

差别是由德国航天局(DLR)卫星上的一些更完善的组件造成的。

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The German space agency has supplied an experimental box containing fish, plants, worms, bacteria and even human cancer cells for a series of biological studies.

德国航天局提供了一个实验箱，包含有鱼类，植物，蠕虫，细菌，甚至人类癌细胞，以作一系列生物研究。

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The German Aerospace Center, the Max Planck Institute for Solar System Research, the Italian space Agency and the Italian National Astrophysical Institute are part of the mission's team.

德国航空航天中心、马克斯·普朗克太阳系研究中心、意大利航天局和意大利国家天体物理研究所也是这个计划工作团队的一部分。

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The German space agency, for example, is working on such a mission called DEOS that is likely to fly in 2015.

BBC: Space debris: Time to clean up the sky

The German Space Agency (DLR) is developing a project called DEOS that would demonstrate the robotic capture of a tumbling object in space.

BBC: 'Urgent need' to remove space debris

"It's tricky and I must confess we've all been a bit nervous, " Manfred Zink, from the German space agency (DLR), told BBC News.

BBC: German radar satellites fly tight space waltz