青云翻译

Flow conditions and because the impact of aerodynamic noise, a lot of research or the use of single-frequency tone to avoid aerodynamic noise.

At the same time as the effects of through-flow under the condition of aerodynamic noise, a lot of research is based on a single frequency tone to avoid the influence of aerodynamic noise.

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At the same time as the effects of through-flow under the condition of aerodynamic noise, a lot of research is based on a single frequency tone to avoid the influence of aerodynamic noise.