dark field microscope

例句：

1. 1.The dark field microscope is used to examinethe structure of biological samples in a darkenvironment.
   暗场显微镜用于在暗环境中检查生物样本的结构。
2. 2. This microscope is designedfor use in dark field settings, suchas in the study of bacteria.
   这种显微镜设计用于暗场设置，如细菌研究。
3. 3. The darkfield microscope was developed to improvethe accuracy of microscopic observationsin low-light conditions.
   暗场显微镜的发明是为了提高在低光条件下显微镜观察的准确性。