前言扫描电子显微镜简称扫描电镜(SEM),作为商品出售不过只有十几年的时间,最近用这种仪器所拍摄的照片,不仅出现在专门的杂志中,就是一般杂志也广为刊登,看到了这种照片首先给人们以十分清楚 Introduction Scanning electron microscopy referred to as scanning electron microscopy (SEM), as the sale of goods, but only a dozen years, the recent photo taken with this instrument, not only appeared in specialized magazines, is also widely published in general magazines, see This picture first of all to people is very clear