guó​jì​diàn​bào​jiāo​huàn

telex

  1. international
    relating to or involving two or more nations; shared by the world community
  2. telegraphy
    a system for sending and receiving messages over a distance using electrical signals
  3. commutative
    (math) relating to the property where the order of operations does not change the result; (telecom) to switch signals or connections