以下为句子列表：
英文: According to existing models, the proportions between the different isotopes in a dust grain formed in a supernova will differ from the proportions of the same isotopes in a grain formed in an AGB star, which in turn will differ from isotopic proportions
中文: 根据现有模型，产生自超新星的尘埃颗粒的同位素比例会与产生自AGB星的尘埃有所不同，而且以其他途径产生的颗粒其同位素比例也会不同。
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英文: After understanding the reasons that cause isotopic discrepancy; then we can further interpret the information and the meaning of environmental change.
中文: 在了解造成此差异之原因后，进而帮助我们解释环境变迁的讯息及意涵。
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英文: Although samples were in a hot reflux for a long time at 85℃ in the experiment, and 5? molecular sieve of the adsorbed sample was acidized by hydrofluoric acid, the analytical method was tested to have little influence on carbon isotopic composition of th
中文: 尽管实验过程中样品经过85℃长时间加热回流及吸附样品的5?分子筛用氢氟酸酸化处理，但实验结果经仪器检测，证明该方法对正构烷烃碳同位素值影响因素不大。
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英文: An isotopic analysis of the grains has made that fear come true.
中文: 一项对这些颗粒的同位素分析让这种担心成真了。
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英文: As we have seen, however, the isotopic analysis of the human remains indicates no differences in the diets of the sexes, leading us to conclude that women as well as men participated in eating at these events.
中文: 不过，前面说过，人骨的同位素分析并未显示两性的饮食有什麽差异，因此我们认为男人与女人都参加了这类宴饮活动。
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