电子学 diànzǐxué electronics Origin Definitions Defs Strokes Stroke Words Sentences Sents 微电子学 wēidiànzǐxué microelectronics the branch of electronics that deals with very small components电子学系 diànzǐxuéxì department of electronics 电机及电子学工程师联合会 diànjījídiànzǐxuégōngchéngshīliánhéhuì IEEE Institute of Electrical and Electronic Engineers