- Theapplicationofelectronicsoftstarterisintroduceddetailedly.Firstly,thephysicalandmechanicalpropertiesofShapotousoftrockaredetailedlyanalysedinthispaper.Thefifthchapterdetailedlydiscussessoftware'sdesignandrealizationofsocietysecuritycardCOS.Thispap...
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