以下为句子列表：
英文: Given the decay rate of 26Al, the lower initial ratio in the chondrules implies that these objects formed between one million and two million years after the creation of the refractory inclusions (assuming that the radioisotope was indeed homogeneously di
中文: 以铝26的衰变速率估计，这些球粒的初始比值较低，表示它们是在耐火包体产生后100~200万年才形成（假设铝26在早期太阳系中确实是均匀分布的）。
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英文: Starting with the research on the characteristics of frequency spectra of the IP field as well as charging-discharging time and based on experiment results, the authors summed up frequency spectra, time spectra and decay rate characteristics of sulfide mi
中文: 摘要从研究激电场频谱特征及充、放电时间特征出发，根据实验观测结果，总结了硫化物矿化体（黄铜矿）及含石墨白云质大理岩等岩性的频谱特征及充放电时间特征，探索到新的定性评价激电异常源参数－频率谱及时间谱、视衰减速度。
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