echo transmission time的意思|示意
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回波传输时间
echo transmission time的网络常见释义
回波传递时间 回波传递时间
echo transmission time相关例句
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。