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Space probe: space probe, deep space probe or space probe. Unmanned spacecraft, the main instrument of space exploration, to explore the moon and the moon in distant objects and space. Space probe loading of scientific instruments, by a rocket into space, fly close to the moon or the planets for close observation, do satellites for long-term observation, landing field or samples for research analysis
Maintenance operations within a specified time period, the station attendant in after completion of maintenance work pin down should immediately report to train dispatcher, train dispatcher release maintenance job no longer end restore traffic command. If you need to extend the operation time, the train dispatcher will issue the dispatch order approval.
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