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1·This gang of Huang Yan rains when the day namely becomes the niter acid rain.

这股黄烟在天下雨时即成为硝酸雨。

2·Objective:The research niter benzene puts down to the recovery period fluorine acetamide is poisoned patient's electroencephalogram influence.

目的：研究硝苯地平对恢复期氟乙酰胺中毒患者的脑电图的影响。