跳至主要内容

2000年12月1日

1分钟阅读

无线电的点滴

接收数字广播变得更便宜和更容易——除了美国。

作者：温迪·M·格罗斯曼

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Wendy M. Grossman, a frequent contributor on information technology, is based in London.

More by Wendy M. Grossman

This article was originally published with the title “Bits of Radio” in 大众科学 Magazine Vol. 283 No. 6 (December 2000)
doi:10.1038/scientificamerican122000-7xQLiZQJpNQzAgc81r94Rf

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