Technicians man the control room at the European Space Agency's control center in Darmstadt, Germany.

技术人员在位于德国达姆施塔特的欧洲空间局控制中心控制室操作。

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Unidentified Man: This is our control center.

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This slight, bespectacled Metro Man says the expansion, which includes a high-speed airport train to the city center, is all under control.

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