It's one of four global (全球的) navigation networks, including the United States' GPS, Russia's GLONASS and the European Union's Galileo.

这是全球四大导航网络之一，其他三个是美国的全球定位系统、俄罗斯的格洛纳斯和欧盟的伽利略。

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It's one of four global (全球的) navigation networks, including the United States' GPS, Russia's GLONASS and the European Union's Galileo.

这是全球四大导航网络之一，其他三个是美国的全球定位系统、俄罗斯的格洛纳斯和欧盟的伽利略。

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