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using the old tablet and old mobile phone can realize the enterprise staff\''s face brushing attendance and visitors appointment free of charge

in the environment of novel coronavirus pneumonia (covid-19), which has not yet been fully relieved of the risk of trans...

face recognition attendance in more than 400 campuses in nanshan district of shenzhen

on 27th april 2020, more than 400 schools, approximately 140,000 secondary students returned to school to resume ...

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