该系统的投入运行使中国成为继美国和俄罗斯之后第三个拥有自己的卫星导航系统的国家。The operation of the system has made Chi

游客2023-08-15  28

问题 该系统的投入运行使中国成为继美国和俄罗斯之后第三个拥有自己的卫星导航系统的国家。

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答案 The operation of the system has made China the third country possessing its own satellite navigation system after the US and Russia.

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