2018年9月18日 星期二

中新网即时新闻: 北斗卫星、航天遥感 航天科技助力智慧城市腾飞

中新网即时新闻
 
北斗卫星、航天遥感 航天科技助力智慧城市腾飞
Sep 19th 2018, 03:27

  光电探测、北斗卫星、航天遥感——

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