A study of yag single crystal faceted luminescent screen 单晶刻面发光屏的研究
2.
Auto - e - focus system means that voltage of focus polar can be auto adjusted . and auto - optics - focus system means that the optic system composed of screen of projection tube microscope and area ccd can be auto focus 自动电聚焦指对投影管聚焦极电压的自动调整,而自动光学聚焦系统是指对投影管发光屏?显微镜? ccd组成的光学系统的自动聚焦。