这个词是什么意思？
The means of interchanging or transmitting and receiving information. Historically the media were written: books, journals, newspapers, and other publications; in the modern age the media include, in addition, radio, television, computers, and information networks.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003146 · MeSH 2026。
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