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The surface structure of films were examined using sem .

利用扫描电镜观察了薄膜的表面结构。

Observation and preparation of fish otolith for sem .

鱼类耳石扫描电镜样品制备与观察。

Sem photos and failure curves of remolded smectite after immersion .

蒙脱石重塑土浸泡后扫描电镜照片及破坏曲线。

Sem is search engine marketing .

sem意思是搜索引擎营销。

The sem photograph of lcd spacer is given .

给出了液晶显示器用衬垫料的扫描电镜图像。