媒体是时代的产物,媒体评估也应随媒体环境的变化与时俱进,但无论环境如何变迁,媒体评估体系所追求的,应当始终是媒体效应的真实呈现。就电视媒体发展而言,在早期黑白仿真阶段,频道数量稀少,收视相对集 Media is a product of the times. Media evaluation should also keep pace with changes in the media environment. However, no matter how the environment changes, what the media evaluation system pursues should always be the true presentation of the media effect. In terms of the development of the television media, in the early stages of black-and-white simulation, the number of channels was scarce and the ratings were relative