“micro-perforated panel sound absorber”的概念、定义、翻译、参考文献-科学参考

单词	micro-perforated panel sound absorber
释义	micro-perforated panel sound absorber Encyclopedia 工学微穿孔板吸声体释 micro-perforated panel sound absorber微穿孔板吸声体将穿有小孔的薄板四周密闭地安装在刚性壁面前，穿孔板与壁面之间留有一定深度的空腔而形成的吸收声能、降低声音的构件。
随便看	principal axis transformation principal-axis transformation principal band principal base principal bending moment principal block principal branch principal bronchus principal bundle principal bundle connection principal category principal cell principal character principal circle principal class principal coefficient of contraction principal cohomology class principal coincidence curve principal component principal component analysis principal component analysis and singular value decomposition principal component analysis (PCA) principal component analysis, PCA principal component analysis,PCA principal component clustering

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