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鉴于超薄切片技术上的要求,通常能进行超薄切片的面积极小(0.1mm×0.5mm),这就给那些难以定位的样品及需要大范围观察的样品带来局限性。为此,
Due to the technical requirements of ultrathin sections, the extremely small area (0.1mm × 0.5mm) for ultrathin sections can often be achieved, which places limitations on those difficult-to-locate samples and samples requiring a wide range of observations. to this end,