试验表明，微穿孔板吸声结构可有效地降低排气噪声。
Results show that the acoustic system of micro perforation plate can effectively reduce discharge noise.
对穿孔板吸声结构的声学特性进行了理论分析与计算。
Theoretical analysis and calculation on the acoustic properties of perforated panel absorber were described herein.
微穿孔板吸声结构以其众多的优点，在噪声控制领域得到越来越广泛的应用。
Microperforated panel absorbers are getting more and more widely use in noise control field for it's large advantage.
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