ThetownofGreenBank,WestVirginia,isthesiteofthelargestra...
问题详情：ThetownofGreenBank,WestVirginia,isthesiteofthelargestradiotelescopeintheworld,soInternetconnectionsandanythingelsethatcancreateelectromagnetic(电磁的)waves,suchassmartphonesandmicrowaveovens,a...