Abstract
No assignee for this patent application has been made.News editors obtained the following quote from the background information suppli ed by the inventors:“The contents of this section only provide background infor mation related to the present disclosure, whichmay not constitute the prior art .“Detecting the status of an enclosed environment is common in many industrial fi elds. For example,in the field of aircraft, as part of the maintenance work of the aircraft, the status of the cargo hold of anaircraft is generally detected before flight. For a civil aircraft, the cargo hold, as a part of the entire aircraft, is mainly used to load goods such as passengers’ luggage. In the maintena nce and inspection of theaircraft, it is necessary to detect if there is any da mage (such as dents or cracks) to the facilities of thecargo hold (such as the floor and side plates of the cargo hold), so that the damaged parts can be maintained timely.
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