microscopical examination的用法和样例：
例句
- Walcott was the first geologist to identify pre-Cambrian fossil bacteria from microscopic examination of thin rock slices.
沃尔科特是第一个在岩石薄片镜检中鉴定出前寒武纪化石细菌的地质学家。 - Microscopic examination of the crusts found round brown chlamydospores and brown septate hyphae.
痂皮直接镜检见圆形厚壁暗棕色孢子及棕色分隔菌丝。
