源: source; fountainhead人类: human; mankind; humanity活动: move about; exercise的: 4次方是 The fourth power of 2 i ...人为: artificial; man-made源于人类活动的物质人为的物质: substanceofanthropogenicorigin源于人类活动的物质: substance of anthropogenic origin人类活动: anghropic activity; human activites; human activities; human activity; mans activity人类活动区: anthropic zone人类活动学: anthropokinetics人类活动影响: effect of human activity; human influence气象组织关于人类活动改变臭氧层问题的: wmo statement on modification of the; wmostatementonmodificationofthe人类活动水文效应: hydrologic effect of human activities人类活动水污染: water pollution caused by human activities人类活动与地球: human activity and the earth人类活动对气候的影响: effects of human activity人为的: anthropic; anthropogenetic; anthropogenic; artificial; contrived; factifious; factitious; human; man-induced; manmade; pat分类活动: act of categorization球类活动: ball非人为的: unartificial人为的,人工的: factitial人为的冲蚀: man-induced erosion人为的工作: made work人为的疾病: lesson a man-made disease人为的价格: artificial price