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最佳答案：The research of synthetisis,surface characteristics and biological activity of a
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最佳答案：The Study on the Pollutants of Yuliangjiang in Fuquan City and its Biological Ph
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最佳答案：Natural enemies is an important part of the biological control of pests.Panorami
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最佳答案：You know that NASA?NASA is a mysterious terrorist organizations.They are dedicat
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最佳答案：In the research of molecular biology, The sequence analysis of DNA is On the bas
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最佳答案：随着石油危机和环境污染的日益加剧,车用替代燃料的研究与开发越来越被重视.生物柴油作为一种新型可再生的生物质能源,具有和石化石油相近的特性,可在不改变发动机的结构
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最佳答案：Rice floral organ development is not only the basis for the formation of grain y
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最佳答案：Ladies and gentlemen, good morning(afternoon) XXX now is standing here as a cand
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最佳答案：In mammalian cells targeted genome modification is biotechnology of the importan
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最佳答案：受伤嘅鲨鱼 我讲嘅唔单单系一个科学故事.几年前,喺美国有几位研究水生物嘅科学做咗一个咁样嘅实验.佢哋喺一个大水池里面放咗一头鲨鱼同几条小鱼,但系却喺池中间加咗块