在现代军事和日常生活中，全球导航系统的作用不言而喻。我国自主研发的北斗卫星导航系统（BeiDou）自问世以来，迅速成为全球最为关注的导航系统之一。 随着北斗系统的完善，许多人开始比较它与美国GPS系统的差异，甚至有人认为北斗的抗干扰能力远胜GPS。

Q:I operate two vehicles with two different aftermarket GPS systems, each gives me conflicting speed readings in relation to the vehicles' speedometers. Which is more reliable, the factory installed ...

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Stop trying to use that tiny phone screen for navigation and get a dedicated system. While a smartphone may be a reliable option for directions, sometimes it’s better for drivers to rely on a system ...

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If you’re in need of a cycling computer that performs like the ever-popular units already on the market, but has more of the look and feel of a classic timepiece to match the aesthetic of your bespoke ...

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