The data he compiled yielded a mathematical formula for the relationship between a room's echo duration, its quantity and quality 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 main ways to acquire the spatial state parameters of the texture plane of orientation core are the restoration measure, drawing solution and formula computation for the present.
目前获取定向岩心结构面空间状态参数的方法主要有复位实测法、作图求解法和公式计算法。
3
All above is very meaningful to understand and use the generalized spatial resolution formula.