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采用地表采集到的天然云母样品(不做蚀刻),直接用光学显微镜进行观察,观察到与传统方法同样的微米数量级腐蚀坑.并分析了腐蚀坑的成因,指出了这些新发现的腐蚀坑的环境意义.
The samples of natural mica collected from the surface (without etching) were directly observed with an optical microscope and the same micron-scale corrosion pits as the conventional method were observed. The causes of the corrosion pits were analyzed and the results of these newly discovered corrosion pits Environmental significance.