化学
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姚瀚琳大dà家jiā都dōu知zhī道dào水shuǐ是shì可kě以yǐ用yònɡ来lái灭miè火huǒ的de,可kě妈mā妈mɑ却què说shuō水shuǐ也yě可kě以yǐ拿ná來lái生shēnɡ火huǒ。“这zhè真zhēn是shì天tiān方fānɡ夜yè谭tán!”我wǒ暗àn暗àn地de想xiǎnɡ。为wèi了le说shuō明mínɡ这zhè个ɡe道dào理lǐ,妈mā妈mɑ要yào给ɡěi我wǒ做zuò一yí个ɡe“滴dī水shuǐ生s
作文大王·低年级 2018年1期2018-01-30
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Sinica(化学学报),2009,67(21):2475-2480(in Chinese).[16]Zeng G,Yu W L,Huang W,et al.Spectral and thermal spectral stability study for fluorene-based conjugated polymers[J].Macromolecules,2002,35(18):6907-6914.[17]Hou Q,Zhou Q M,Zhang
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