“helmholtz resonance sound absorber”的概念、定义、翻译、参考文献-科学参考

单词	helmholtz resonance sound absorber
释义	helmholtz resonance sound absorber Encyclopedia 工学亥姆霍兹共振吸声体释 helmholtz resonance sound absorber亥姆霍兹共振吸声体一个硬质内表面的腔体通过短管与外界的大气联通构成的吸收声能、降低声音的构件。
随便看	insulin insulinase insulin dependent diabetes mellitus insulin from pancreas artifice insulin inhalation insulin-like growth factor insulin-like growth factor (IGF) insulinoma insulin pen insulin pump insulin resistance insullac insurable risk insurance insurance accounting insurance application insurance based on weather index insurance calculus insurance claim insurance claim adjustment insurance commission expense insurance community insurance company solvency supervision insurance consumer insurance consumer rights protection

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