The Neutral Buoyancy Simulation Test is of significant importance for training astronaut, large space structure design, structure assembly on-orbit and maintenance technology research.

中性浮力地面模拟试验不仅可以用来训练航天员，对大型空间结构的设计及在轨组装与维修技术研究也具有重要的作用。

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A table space is a storage structure containing tables, indexes, large objects, and long data.

表空间是一个包含表、索引、大对象和长数据的存储结构。

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This flat-roofed structure contains parking and storage spaces on the ground floor, and a large multi-purpose loft space with a small bathroom above.

这种平顶结构包括停车和底层的存储空间，还有一个大的多用途阁楼空间，其上有一间小浴室。

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One technology highlighted by NASA is solid freeform fabrication, a process that could be used to support fabrication and repair of large space structures, spacecraft primary structure and replacement components.

MSN: Future astronauts may rely on made-in-space parts