n.

the act of passing something along from one person or group to another

"the relay was successful"

a crew of workers who relieve another crew

a fresh team to relieve weary draft animals

electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit

同義詞：electrical relay

Coded Bi-directional Relaying
Computer Relaying for Power Systems, Second Edition
On the relaying capability of next-generation GSM cellular networks
Relaying Protocols for Wireless Energy Harvesting and Information Processing
Integrated cellular and ad hoc relaying system
Multihop diversity in wireless relaying channels
Multipoint relaying for flooding broadcast messages in mobile wireless networks
Multipoint Relaying: An Efficient Technique for Flooding in Mobile Wireless Networks
Energy-efficient antenna sharing and relaying for wireless networks
Wavelets: a new tool for the resonant grounded power distribution systems relaying