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澳门金沙互联网娱乐平台网站:Roll-over week

作者:须扒    发布时间:2019-03-07 12:13:02    

Users of Global Positioning System satellite navigation are bracing themselves for the evening of 21 August, when the satellites’ date-counting mechanisms “roll over”. GPS satellites count dates in weeks, starting with the first week in 1980, but only count up to 1023. After that, the counter rolls back to 0000,

 

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