- 问题详情:TheNetherlandsonMondayintroduceditsfirst-everintelligentbicycle,fittedwithelectronicdevicestohelpbringdownthehighaccidentrateamongelderlycyclistsinthebicycle-madcountry.DevelopedforthegovernmentbytheNetherlandsOrganizationforAppliedScientific...
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