The solar-powered oxygen system is the first of its kind in the country.

太阳能供氧系统在索马里尚属首例。

You have your own oxygen system, your own power supply, your own communication system.

你带着自己的氧气系统，自己的电源，自己的通讯系统。

The researchers say space agencies would need to build high-technology main and backup oxygen systems to support long-term human life in space.

研究人员表示，太空机构将需要建造高科技的主氧气系统和备用氧气系统，以支持人类在太空中的长期生活。