The charger shall give an alarm signal upon failure initiated by either an under-voltage relay or a zero charging current relay.
充电器应发出警报信号后没有任何一方发起一个欠压继电器或零充电电流继电器。
Based on the concepts of broadcast channel and multiple access channel, a novel half-duplex relay strategy was proposed, and optimal resource allocation under this strategy was investigated.
基于广播信道及多址接入信道的概念，提出了一种新的半双工中继协议，并对该协议下的资源分配问题进行了研究。
A new random access protocol assisted by fixed relay stations under the transparent mode in multi-hop relay networks over the time division multiple access was presented.
提出时分多址方式下由固定中继节点支持的透明模式下的随机接入协议，通过中继节点与用户间的合作重传来解决多个用户同时接入发生碰撞的问题。
WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions.
WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。
Obtaining the suitable operating mode appropriate for the transmission line under coordination is of great significance to relay coordination.
在配电网整定计算中，获得被整定线路所需运行方式对于整定工作有非常现实的意义。
The relay is connected between the mounting head and the lamp head and for connecting or disconnecting the circuit from the mounting head to the lamp head under the control of the controller.
继电器连接在安装头与灯头之间，并在控制器的控制下接通或断开安装头至灯头的电路。
The relay is connected between the mounting head and the lamp head and for connecting or disconnecting the circuit from the mounting head to the lamp head under the control of the controller.
继电器连接在安装头与灯头之间，并在控制器的控制下接通或断开安装头至灯头的电路。
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