交换虚电路 jiāohuànxūdiànlù switched virtual circuit Origin Definitions Defs Strokes Stroke Words Sentences Sents 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虚电路 虛電路 xūdiànlù virtual circuit virtual circuit; VC