...传播特征频率,截止频率 [gap=1547]Keywords】: Acoustic multipole sources,Numerical integration,Propagating characteristic frequency,Cut-off frequency； ...
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传播特征频率
Propagation characteristic frequency
以上为机器翻译结果，长、整句建议使用 人工翻译 。
此波速率传播一定且有特征频率，所以这个研究团队知道他们找什么，在哪找。
Such waves travel at a known speed and have characteristic frequencies, so the team knew what to look for and when.
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