| 释义 |
DEFINITIVE EXAMPLES 权威例句〔RDF〕Radio direction finder.无线电测向美国传统〔direction finder〕A device for determining the source of a transmitted signal, consisting mainly of a radio receiver and a coiled rotating antenna.无线电测向仪：一种确定被传送的信号源的装置，主要由一个无线电接收器和一卷盘绕的旋转天线组成美国传统〔latch〕The new radio direction-finding device could latch onto a transmission with remarkable speed.新的无线电测向设备能以惊人速度捕捉传送信号。英汉大词典〔pyrostat〕An automatic sensing device that activates an alarm or extinguisher in case of fire.火灾自动警报或灭火器：在火灾时激活警报或灭火器的自动测向装置美国传统 |