拓展视野从放大镜、光学显微镜、高分辨电子显微镜到原子扫描隧道显微镜的发展，不仅仅是视野越来越小，而且是宏观结构到微观结构的拓扑；不仅是从直观到抽象的演变，而且是人类长于运用视觉形象的典范等等，这是科学视野的拓展。近代红顶商人胡雪岩从胡庆余堂走入洋行，挣外 Broaden your horizons From magnifying glass, optical microscopy, high-resolution electron microscopy to atomic-scanning tunneling microscopy, not just the field of view is getting smaller and smaller, but also the topology of the macrostructure to the microstructure; not only from the visual to the abstract evolution, but also Human beings are longer than the model of using visual images and so on, which is the expansion of the scientific vision. Modern red top businessman Hu Xueyan from Hu Qingyu Tong into the foreigners, earn outside