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Low power scanning electron microscope image of tooth surface, computer-coloured yellow on blue background.
牙齿表面的电子显微镜扫描图。
youdao
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Their lab recently got this microscope with magnifying power.
倍率显微镜是他们实验室刚买的。
youdao
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Their lab recently got this microscope with magnifying power.
倍率显微镜是他们实验室刚买的。
youdao