【摘要】 人脑本身并不能记录、保存、展示和传递图像,需要依赖媒介和工具．随着现代科技的进步,影像的记录必然被数字的记录方式所取代,并在电脑系统中自由复制、传播,做出几乎是无所不能的变化．更多还原

【Abstract】 Person’s brain oneself and can’t record,keep,display with deliver the picture,need to depend on the medium with tool.Along with the modern technological advance,the record of the image was by all means replaced by the numeral record method,and in computer system the freedom make duplicate,spreads,doing is an omnipotent variety almost.更多还原