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2013-05-23 12:21
求翻譯：was observed through eld-emission scanning electron microscope(FE-SEM) with a Philip XL-30-ESEM-FEG instrument made in Holland, operated at 20 kV.是什么意思？ 待解決
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was observed through eld-emission scanning electron microscope(FE-SEM) with a Philip XL-30-ESEM-FEG instrument made in Holland, operated at 20 kV.
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