With the launch of a new navigation satellite in April, China is now a step closer to establishing its own "GPS" - called the "Compass" navigation system.
随着四月一颗全新的定位卫星的升空，中国又向其自主的全球定位系统—“指南针”系统迈近了一步。
With the launch of a new navigation satellite in April, China is now a step closer to establishing its own "GPS" - called the "Compass" navigation system.
随着四月一颗全新的定位卫星的升空，中国又向其自主的全球定位系统—“指南针”系统迈近了一步。
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