美国国家航空和宇宙航行局开发出来一种奇特的生态球。这种生态球显示所有生物之需,能在一个密闭的环境中产生,废物能被分解再利用。据说未来人类的太空社区将按此模式建立。生态球是一个以玻璃封闭的系统,里面的包括空气,经过过滤含有部分细菌的海水、水虾、珊瑚、 NASA has developed a peculiar eco-sphere. This eco-sphere shows the needs of all living things, can be generated in a closed environment, waste can be decomposed and reused. It is said that the human space community in the future will be built on this model. Ecology ball is a closed system of glass, which includes the air, filtered through the bacteria, including sea water, shrimp, coral,