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工作学习
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科技杂谈
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北斗全球联网服务了,以后马航飞机失踪案不会再发生了。北斗有上传信息功能,可让别人随时知道你在哪里。好像美国最近发射的GPSIII卫星也加了这功能
-
gamemaster
((~~));
2018-12-30
(#11860038@0)
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枫下论坛主坛
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工作学习
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科技杂谈