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文章叙述了几个主要国家的录象技术及录象机的发展成就,并从磁记录密度考虑,对未来的三维记录技术、高清晰度录象、数字录象作了展望。
The article describes the development of video technology and video recorders in several major countries and looks at the future of 3D recording technology, high definition video recording and digital video recording from the perspective of magnetic recording density.