submicroscopic damage

例句：

1. 1. The submicroscopic damage caused by the virus is invisible to the naked eye.
   病毒引起的亚微米级损伤肉眼不可见。
2. 2. The researchers found that the submicroscopic damage could be repaired with a special treatment.
   研究人员发现，这种亚微米级损伤可以通过特殊治疗修复。
3. 3. The submicroscopic damage in the sample was analyzed using electron microscopy.
   样本中的亚微米级损伤通过电子显微镜进行了分析。