单选题Due to GPS roll over of the clock cycle,GPS receivers may give the wrong time and position or may lock up permanently on().A21-Aug-99B21-Sep-99COctoer 31,1999D31-Dec-99

单选题
Due to GPS roll over of the clock cycle,GPS receivers may give the wrong time and position or may lock up permanently on().
A

21-Aug-99

B

21-Sep-99

C

Octoer 31,1999

D

31-Dec-99


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