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。
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。
All above is very meaningful to understand and use the generalized spatial resolution formula.
这对于更好地理解和运用广义空间分辨力计算公式具有重要的意义。
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