| 单词 | Ecological System,Closed |
| 释义 | Ecological System,Closed《英文msh词典》Ecological System,Closed [入口词] Ecological System,Closed [主题词] Ecological Systems,Closed [英文释义] Systems that provide for the maintenance of life in an isolated living chamber through reutilization of the material available,in particular,by means of a cycle wherein exhaled carbon dioxide,urine,and other waste matter are converted chemically or by photosynthesis into oxygen,water,and food. (NASA Thesaurus,1988) |
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