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李世华.1999.从“万有升降周期论”探讨环境趋势与人类生存[J].气候与环境研究,4(1):94-97. Li Shihua.1999. A Study on Environment Trend and Human Being with the Periodic Theory of Everything Rising and Falling[J]. Climatic and Environmental Research (in Chinese],4(1):94-97.
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