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彩色电视
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彩色电视
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【模拟电视】
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colour television
彩色电视
将活动图像的亮度和色度信息以及声音信息变换成电信号,通过无线电波等传输媒介从一点传播出去,供多点即时重现活动图像和声音的系统。
Astronomy
color television
彩色电视
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qiuhou
Qiu Hu Teased His Wife
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