「華人戴明學院」是戴明哲學的學習共同體 ,致力於淵博型智識系統的研究、推廣和運用。 The purpose of this blog is to advance the ideas and ideals of W. Edwards Deming.

2019年7月16日 星期二

Europe’s GPS alternative has been offline since Friday







Phones have been using US satellites as a backup


THEVERGE.COM

Europe’s GPS alternative has been offline since Friday





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