电子显微镜让研究者和临床医生得以进入一个光学显微镜无法窥见的小宇宙。

Electron microscopy grants researchers and clinicians access to a universe that is too small to be detected using light-based microscopes.

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研究人员使用不同的技术研究了火山灰颗粒的尺寸和结构，例如原子力显微镜、电子扫描显微镜和X射线衍射。

The researchers analysed the sizes and structures of ash particles using a variety of techniques, such as atomic force microscopy, scanning electron microscopy and X-ray diffraction.

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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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