英语词汇“directional filter”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	directional filter
释义	directional filter noun : an electric filter designed to divide the band of frequencies available for carrier currents about midway using one portion of the band for east-to-west transmission and the other portion for west-to-east transmission
随便看	telephone telephone telephone book telephone booth telephone box telephone exchange telephone number telephoner telephone receiver telephone tag telephone theory telephone transmitter telephonic telephonically telephonist telephonitis telephony telephony Telephoto telephoto Telephoto telephotograph telephotographic telephotographic telephotographic lens

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