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Selected - area electron diffraction ( SAED ) confirmed that SnO 2 nanorods are polycrystalline.
选区电子衍射证实了SnO2是多晶态.
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Selected area electron diffraction ( SAED ) illustrates that its crystal structure is 2 H type graphite.
电子衍射数据分析表明其结构为2H多型石墨.
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