With PRD PEEM's both spherical and semi - spherical pipe ends are possible.

可以使用PRD球形和半球形的管道终端.

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PEEM probes photoelectrons in a high - contrast imaging technique that is sensitive to the surface electronic structure.

光电子显微是一种高 衬度 的成像技术,对材料表面电子结构高度敏感.

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