ACloserLookatSmartCitiesChicago,USAPopulation:2.7millio...
問題詳情：ACloserLookatSmartCitiesChicago,USAPopulation:2.7millionTosupportanewsmartelectricgrid(電網)inthecity,300,000smartmetershavebeeninstalled,andallChicagoresidentswillhaveoneby2017.Whencompleted,...