Heaviside
'hevisaid
基本解释
海维赛德(①姓氏 ②Oliver, 1850-1925, 英国物理学家、电气工程学家)
英文释义
n English physicist and electrical engineer who helped develop telegraphic and telephonic communications; in 1902 (independent of A. E. Kennelly) he suggested the existence of an atmospheric layer that reflects radio waves back to earth (1850-1925)
上一个单词：heavings