Ken·nel·ly-Heav·i·side layer英ˌkenəliːˈheviːˌsaɪd美ˌkɛnəliˈhɛviˌsaɪdAHDkĕn'ə-lē-hĕvʹē-sīd'短语¹¹⁴⁴⁶⁷⁺⁴ 基本英英近义反义 肯涅利-海维赛层 Noun: a region of the ionosphere from 50 to 90 miles up that reflects radio waves of medium length近义词e layere 层E regionE区Heaviside layerE层,亥维赛层…