俄罗斯火箭“质子- K”将在圣诞节将三枚人造卫星发射升空。这些卫星用于帮助俄罗斯glonass导航系统。

The Russian rocket Proton-K is due to launch three new satellites into orbit on Christmas Day to facilitate Russia's GLONASS navigation system.

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除此之外，中国也加速部署其通讯、气象、导航与太空等研究用途的人造卫星。

In addition, China has been accelerating its deployment of unmanned satellites for communications, weather, navigation and space research.

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