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wo men wei shi me xu yao guang
Author(s): 
Pages: 10-13
Year: Issue:  1
Journal: Knowledge is Power

Abstract: 光对人类的生存和发展至关重要. 婴儿呱呱坠地之后,接触到大自然的第一印象就是光.光是人类认识世界的工具.人类感官接收的外部信息中,约90%以上通过眼睛传递给大脑.有了光,人类才能看到这五彩斑斓的世界. 尽管如此,很多时候人们可能意识不到光就在我们身边,而且在不断改变我们的生活方式.
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