电子显微镜利用一束电子产生高倍放大的影像。
The electron microscope uses a beam of electrons to produce images at high magnifications.
她用电子显微镜来放大细胞的影像。
She used an electron microscope to enlarge the image of the cells.
针对牙齿美白剂对牙釉质表面结构之影响，以扫描式电子显微镜，结合影像 分析进行碎形维度分析，将粗糙度（roughness）量化，再以接触角测试分析牙齿 表面的粗糙程度对于亲水性的影响；
The etched depth profile of enamel surface was tested by SEM and digitized by image analysis to detect the roughness of enamel. And the fractal dimension could quantify the roughness.
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