而当今可以应用于卫星辅助导航技术的卫星定位系统主要有两个：GPS系统与GALILEO系统。

There are two navigation satellite systems which can be used in this technology: GPS and GALILEO.

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而当今可以应用于卫星辅助导航技术的卫星定位系统主要有两个：GPS系统与GALILEO系统。

There are two navigation satellite systems which can be used in this technology: GPS and GALILEO.

youdao