封包交换 fēngbāojiāohuàn packet switching Origin Definitions Defs Strokes Stroke Words Sentences Sents 封包 fēngbāo packet a unit of data formatted for transmission over a network交换 交換 jiāohuàn commutative (math) relating to the property where the order of operations does not change the result; (telecom) to switch signals or connections