The data he compiled yielded a mathematical formula for the relationship between a room's echo duration, its quantity and qualityofsound-absorbing materials, and its spatial volume.
他收集的数据得出了一个关于房间回声持续时间、吸音材料的数量和质量以及空间体积之间关系的数学公式。
2
I was surprised to find all these makers held the same value of harmonicity (qualityofsound).
我惊奇的发现所有的钢琴制造者对钢琴的音质都遵从同样的标准。
3
They are easily adjustable and have many more built in functions to improve the qualityofsound.