When the microscope's sharp tip applied a positive voltage to the material's surface, it drew conducting lines that exist in the space between the oxide layers.
当显微镜的尖端把正电压施加到材料表面时，它就在氧化层之间的空白处画出了导线。
When the microscope's sharp tip applied a positive voltage to the material's surface, it drew conducting lines that exist in the space between the oxide layers.
当显微镜的尖端把正电压施加到材料表面时，它就在氧化层之间的空白处画出了导线。
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