And its character of strong ventilation and breathe decides that it is of better sound absorption ability.

其透气能力强、会呼吸的特点决定了本身的吸音能力。

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This is the ability of the material to absorb sound and is called its sound absorption coefficient.

它是材料吸收声波的能力，即所谓的吸声率。

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The utility model discloses a micro-perforated sound absorption patch which is easy to process and has good covering ability and excellent sound absorption performance.

本实用新型公开了一种容易加工的，遮覆性好的，吸声性能很好的微穿 孔吸声膜片。

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