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Regular maintenance generally refers to the regular inspection and maintenance of hardware facilities. The range of detection here is as wide as possible. If the range is too large, Depending on asset type and asset range, Sampling tests are conducted, But all machines must be checked once a year, Replace the equipment with unstable performance or failure in time. Attention should be paid to monitoring the hardware equipment here. I have encountered the event of standby server failure for half a month. Let's not talk about it. Finally, maintenance should cover all equipment, regardless of network, security, server, basic power, air conditioning, UPS, etc.6. Ships should be especially cautious when driving near the end of the traffic separation system area.是青莲。Temperament is not repaired, unable to resonate with the spirit;他不会，我会。3. Whether the temperature measurement is accurate and whether the heating feedback is timely.Fifth, the current curriculum system for online thinking ability training products is slightly thin, and the curriculum content needs to be continuously polished and improved.