2011年底，中国发射了第一颗民用测绘卫星。
China launched its first civilian surveying and mapping satellite at the end of 2011.
中国首颗民用测绘卫星“资源三号”将于年底发射。
“资源一号”02C星成功发射、“资源三号”01、02立体测绘卫星实现双星组网和业务化运行。
The Ziyuan-1 02C satellite was launched, the Ziyuan-3 01 and 02 stereo mapping satellites have achieved double star networking and operating.
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