a-c d-c receiver 交直流接收器
C-Note picks up the yard phone, wraps a cloth around the receiver and dials a number.
C - Note拿起了院子电话亭的电话，用一块布包住电话筒，拨打了一个号码。
Two tasks showed in the paper, a navigational data-compute program and a man-machine interface of Loran-C receiver is designed.
本文所做的主要工作有两项：一是设计实现坐标转换和航行参数计算的导航数据解算软件，二是设计接收机的人机界面。
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