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GPS还不够!NASA要开发银河系定位系统 (水城百事)

by 匿名, Friday, April 20, 2018, 21:59

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  194 views

有这个必要吗

by 匿名, Friday, April 20, 2018, 22:59 @ 匿名

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  199 views

50年前觉得GPS也没用,地图就行了

by 匿名, Friday, April 20, 2018, 23:11 @ 匿名

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  192 views

这个是胡说。GPS之前就有子午线系统,航海的都在用

by 匿名, Saturday, April 21, 2018, 06:33 @ 匿名

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  270 views
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