telephony
/təˈlefəni/
📚
31981
Telephony is a system of sending voice signals using electronic equipment. 电话通讯系统
noun [专属名词] 电话（学）；电话制造
Mobile telephony is now commonplace around the world. 移动电话在世界各地现在很常见。
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- Sabotage of telephony equipment is also detected. 对电话系统的破坏活动也会被检测到。