Noise is measured in anechoic room.
噪音值是在无音室中的测量值。
Active noise control experiments were performed in both a semi-anechoic chamber and an ordinary room.
本文分别在半消声室和普通房间进行有源消声实验。
Active noise control experiments were performed in both a semi-anechoic chamber and an ordinary room.
本文分别在半消声室和普通房间进行有源消声实验。
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