為什麼美國gps只要24顆衛星，北斗要35顆，科學家給出答案，[科學探索]
Synopsis
為什麼美國GPS只要24顆衛星，北斗要35顆，科學家給出答案[科學探索]航空航天,GPS,科學為什麼美國GPS只要24顆衛星，北斗 ...
![美國GPS有24顆定位衛星，伽利略達到30顆？咱們數量令人意外，[科學探索]](https://i.ytimg.com/vi/ua1ixF1xYzY/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLCSk6vMgxKTWmtEvhheE86nBVJMJA)
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