After the reverberation room is built, it is shooed by acoustical measurement that every tales is satisfing or better than of the national standard.
After the reverberation room is built, it is shooed by acoustical measurement that every tales is satisfing or better than of the national standard.
测量表明，建成完工后的混响宣在声学万面的各项指标均满足或优于国家标准的要求。