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本文介绍用ＥＤ４０７０频谱分析仪进行波速测试的应用研究的全过程，证明了它的可行性和可靠性。同时也拓宽了ＥＤ４０７０频谱分析仪的应用范围。
This article describes the entire process of applying the ED4070 spectrum analyzer for wave speed testing and proves its feasibility and reliability. At the same time, it also broadened the scope of application of the ED4070 spectrum analyzer.