The data he compiled yielded a mathematical formula for the relationship between a room's echo duration, its quantityandquality of sound-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
The competition between various countries for the quantityandquality of talents is furious.
各国对于人才数量和质量的竞争很激烈。
3
Not just because of the quantityandquality of its translations, but also because it is values-driven.