Scientiststodayaremakinggreaterefforttostudyoceancurren...
問題詳情：Scientiststodayaremakinggreaterefforttostudyoceancurrents(洋流).Mostdoitusingsatellitesandotherhigh-techequipment.However,oceanexpertCurtisEbbesmeyerdoesitinaspecialway—bystudyingmovementsofr...