英语词汇echo transmission time怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	echo transmission time
释义	echo transmission time 简明释义回波传递时间网络释义 1 [电子]?回波传递时间回波传递时间双语例句 1 The transmission rule of the lamb wave in the structure of the flexible joint is discussed, and the ultrasonic pulse echo is analyzed in the time-field and frequency-field. 本文首先分析了板波诱发纵波在柔性接头构件中的传播规律，对原始回波信号进行时域和频域分析。
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