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1988年7月1日

1分鐘閱讀

來自高處的訊息

衛星定位和資料中繼進入市場

作者：蒂姆·比爾茲利

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This article was originally published with the title “Messages from on High” in 大眾科學 Magazine Vol. 259 No. 1 (July 1988), p. 112
doi:10.1038/scientificamerican0788-112

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