一篇介绍自动调焦用于生物显微镜的英文章，包括其总体结构。-The bioengineering is a popular and fast-developing researching topic in recent years. Among them, the observation of microorganism is a very important experimental approach of bioengineering. As the biological sensing ch

基于图像处理的自动调焦系统，通过高清晰的聚焦，获取高质量的图片。-Automatic focusing system based on image processing, high-definition focus through to get high-quality pictures.