旧石器时代
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漂浮
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Erika Rix,Kim Hay,Sally Russell,Richard Handymportant and science makes no exception. Chemis try was established as the chemistry of low molecular weight compounds since these were most easy to investigate, charac terize, and convert. A beautiful tower of thought was erected by the chemical sciences long before the idea of giant mole cules, macromole978-3-540-17541-4978-3-642-71900-4
提升
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Erika Rix,Kim Hay,Sally Russell,Richard Handymportant and science makes no exception. Chemis try was established as the chemistry of low molecular weight compounds since these were most easy to investigate, charac terize, and convert. A beautiful tower of thought was erected by the chemical sciences long before the idea of giant mole cules, macromole978-3-540-17541-4978-3-642-71900-4
concise
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amphibian
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saphenous-vein
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