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2017-09-21 11:37
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![JJFKF`MRNRBA]PTM48E][$M.png](http://www.cnr.cn/zjfw/tdzj/20170921/W020170921413841805194.png)
2017-09-21 11:26
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2017-09-19 10:55
北斗三号全球定位系统启动建设
