光学显微镜和穿透式电子显微镜要求将材料切成更薄的片，或在仔细观察前将其控制在玻璃下。
Light microscopes and transmission electron microscopes require that materials be sliced thinly, or trapped under glass before being examined.
光学显微镜和穿透式电子显微镜要求将材料切成更薄的片，或在仔细观察前将其控制在玻璃下。
Light microscopes and transmission electron microscopes require that materials be sliced thinly, or trapped under glass before being examined.
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