在欧洲,史前部落在山洞里寻求庇护,后来建造越来越大,越来越混响的庙宇及教堂。
In Europe, prehistoric tribes sought shelter in caves and later constructed increasingly large and reverberant temples and churches.
隧道型公共设施的声环境,可以使用大量具有高吸声系数的吸声构造,铺设于隧道拱壁及轨道铺面,以降低混响时间及噪声。
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.
通过对三峡大学室内体育馆空场混响时间的测试及对满场混响时间的推算,给出了定量的音质评价。
The quantitative evaluation of the timbre is given by testing the empty yard reverberation time and calculating the full yard reverberation time of the gymnasium in China Three Gorges University.
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