人类活动系统(human activity system)是有目的的人类活动的集合。这类活动起源于人的自我意识。
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Recognition was given to the fact that human activity had driven the planet into a new epoch, the Anthropocene, in which many Earth-system processes and the living fabric of ecosystems are now dominated by human activities.
UNESCO: keeps momentum going for sustainability driven science after Rio+20 | United Nations Educational, Scientific and Cultural Organization
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