https://blog.wongcw.com/2019/10/20/%e5%8c%97%e6%96%97%e4%b8%89%e8%99%9f%e7%b3%bb%e7%b5%b1%e6%9c%89%e6%9c%9b%e6%8f%90%e5%89%8d%e5%8d%8a%e5%b9%b4%e5%bb%ba%e6%88%90%e6%8f%90%e4%be%9b%e8%a6%86%e8%93%8b%e5%85%a8%e7%90%83%e7%9a%84%e5%b0%8e/
北斗三號系統有望提前半年建成提供覆蓋全球的導航服務