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在早期电视工程界试图按影剧院放映的35毫米影片作为清晰度要求的标准,用以定义“高清晰度电视”。然而,为影剧院观众观看的35毫米影片的清晰度的定量数据并不是容易得到的。于是,哥伦比亚广播系统技术中心生
In the early days of the television engineering community, 35 mm films that were tried to be shown in theaters were used as the criteria for clarity requirements to define “high-definition television.” However, the quantitative data on the clarity of the 35 mm film viewed by the theater audience is not readily available. As a result, the Broadcasting Systems Technology Center in Colombia was born