这个词是什么意思？
The transmission and reproduction of transient images of fixed or moving objects. An electronic system of transmitting such images together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound. (From Webster, 3rd ed)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013690 · MeSH 2026。
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