动词 relay:

1. pass along

2. control or operate by relay

relayvt.转播；转达；中继；接力；接替n.继电器；接力赛；替班relay line中继线路relay pump替续泵,接力泵,中转泵,中继泵relay bell继电器铃relay race接力赛relay node转接点relay jack继电器插口relay tank中间罐relay bias继电器偏置relay ring继电环relay unit继电器组

1. Network information management about relaying blueprints is a completely new topic.
   继电保护图纸信息网络化管理是个全新的课题。
2. Simulation methods of faults and protective relaying performances for distribution networks are discussed in the paper.
   摘要讨论配电网络故障及继电保护的系统仿真方法。