The asynchronization relay is further studied and successfully designed in this paper. 本文对异步中继的方法作了进一步的研究，并成功地设计出了中继器。
Whether the unit is portable or installed in a car, the antenna receives signals from all of a company's satellites and repeaters. 不论是手持式或车上型接收器，都由天线接收来自各家卫星与中继器的讯号。
