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classification of organic compounds
释义
classification of organic compounds
Encyclopedia
理学
有机化合物分类
释
classification of organic compounds
有机化合物分类
为了系统研究有机化合物,对其进行严格、科学分类的方法。包括按组成元素分类、按化合物的结构类型(碳骨架、官能团等)分类、按化合物在自然界的存在分类等。
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hydropower development planning
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hydropower development planning of the middle and lower reaches of Nujiang River
hydropower development planning of the middle reaches of Huanghe (Yellow) River
hydropower development planning of the upper reaches of Huanghe (Yellow) River
hydropower development planning of the upper reaches of Lancang River
hydropower development planning of Wujiang River
hydropower development planning of Xiang,Zi,Yuan and Li rivers
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